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10211211002220 = 22354871987175873
BaseRepresentation
bin1001010010010111101110…
…0110101100000101101100
31100011011220211222212012020
42110211323212230011230
52314300030004032340
633414544321510140
72102510220264054
oct224457346540554
940134824885166
1010211211002220
113287606450108
12118b001aa2350
13590bb400c107
14274322128564
1512a93c7359d0
hex9497b9ac16c

10211211002220 has 96 divisors (see below), whose sum is σ = 28664681783808. Its totient is φ = 2716015214592.

The previous prime is 10211211002147. The next prime is 10211211002231. The reversal of 10211211002220 is 2220011211201.

10211211002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10211211002220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57972204 + ... + 58148076.

It is an arithmetic number, because the mean of its divisors is an integer number (298590435248).

Almost surely, 210211211002220 is an apocalyptic number.

10211211002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211211002220 is an abundant number, since it is smaller than the sum of its proper divisors (18453470781588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211211002220 is a wasteful number, since it uses less digits than its factorization.

10211211002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178359 (or 178357 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10211211002220 its reverse (2220011211201), we get a palindrome (12431222213421).

The spelling of 10211211002220 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 487 974 1461 1948 1987 2435 2922 3974 4870 5844 5961 7305 7948 9740 9935 11922 14610 19870 23844 29220 29805 39740 59610 119220 175873 351746 527619 703492 879365 967669 1055238 1758730 1935338 2110476 2638095 2903007 3517460 3870676 4838345 5276190 5806014 9676690 10552380 11612028 14515035 19353380 29030070 58060140 85650151 171300302 256950453 342600604 349459651 428250755 513900906 698919302 856501510 1027801812 1048378953 1284752265 1397838604 1713003020 1747298255 2096757906 2569504530 3494596510 4193515812 5139009060 5241894765 6989193020 10483789530 20967579060 170186850037 340373700074 510560550111 680747400148 850934250185 1021121100222 1701868500370 2042242200444 2552802750555 3403737000740 5105605501110 10211211002220