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1011001110220 = 225257367353551
BaseRepresentation
bin11101011011001000101…
…11001010111011001100
310120122120101221201122201
432231210113022323030
5113031012241011340
62052240354251244
7133020356434453
oct16554427127314
93518511851581
101011001110220
1135a843851922
12143b32286b24
137444c4c160a
1436d0b525b9a
151b47247479a
hexeb645caecc

1011001110220 has 48 divisors (see below), whose sum is σ = 2131983520128. Its totient is φ = 402709708800.

The previous prime is 1011001110167. The next prime is 1011001110257. The reversal of 1011001110220 is 220111001101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1011001110197 and 1011001110206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18852445 + ... + 18905995.

It is an arithmetic number, because the mean of its divisors is an integer number (44416323336).

Almost surely, 21011001110220 is an apocalyptic number.

1011001110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011001110220 is an abundant number, since it is smaller than the sum of its proper divisors (1120982409908).

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

1011001110220 is a wasteful number, since it uses less digits than its factorization.

1011001110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57490 (or 57488 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011001110220 its reverse (220111001101), we get a palindrome (1231112111321).

The spelling of 1011001110220 in words is "one trillion, eleven billion, one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2570 3673 5140 7346 14692 18365 36730 53551 73460 107102 214204 267755 535510 943961 1071020 1887922 3775844 4719805 9439610 13762607 18879220 27525214 55050428 68813035 137626070 196692823 275252140 393385646 786771292 983464115 1966928230 3933856460 50550055511 101100111022 202200222044 252750277555 505500555110 1011001110220