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20212011022110 = 2351739631394161
BaseRepresentation
bin1001001100001111110011…
…01111001011011100011110
32122120020201210121022222220
410212013321233023130132
510122123144310201420
6110553134130050210
74154161322000025
oct446077157133436
978506653538886
1020212011022110
116492958328996
122325281719966
13b37ca4b2658b
144dc3a35c98bc
15250b62a06840
hex1261f9bcb71e

20212011022110 has 32 divisors (see below), whose sum is σ = 51362286833952. Its totient is φ = 5072818452480.

The previous prime is 20212011022087. The next prime is 20212011022139. The reversal of 20212011022110 is 1122011021202.

It is a super-2 number, since 2×202120110221102 (a number of 27 digits) contains 22 as substring.

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 20212011022110.

It is a congruent number.

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, 19815696571 + ... + 19815697590.

It is an arithmetic number, because the mean of its divisors is an integer number (1605071463561).

Almost surely, 220212011022110 is an apocalyptic number.

20212011022110 is an abundant number, since it is smaller than the sum of its proper divisors (31150275811842).

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

20212011022110 is a wasteful number, since it uses less digits than its factorization.

20212011022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39631394188.

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

Adding to 20212011022110 its reverse (1122011021202), we get a palindrome (21334022043312).

The spelling of 20212011022110 in words is "twenty trillion, two hundred twelve billion, eleven million, twenty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 39631394161 79262788322 118894182483 198156970805 237788364966 396313941610 594470912415 673733700737 1188941824830 1347467401474 2021201102211 3368668503685 4042402204422 6737337007370 10106005511055 20212011022110