100021113311312 has 40 divisors (see below), whose sum is σ = 203992124248800. Its totient is φ = 47378028235392.

The previous prime is 100021113311303. The next prime is 100021113311341. The reversal of 100021113311312 is 213113311120001.

It is a super-2 number, since 2×100021113311312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37032014 + ... + 39641042.

It is an arithmetic number, because the mean of its divisors is an integer number (5099803106220).

Almost surely, 2^{100021113311312} is an apocalyptic number.

It is an amenable number.

100021113311312 is an abundant number, since it is smaller than the sum of its proper divisors (103971010937488).

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

100021113311312 is a wasteful number, since it uses less digits than its factorization.

100021113311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735163 (or 2735157 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 100021113311312 its reverse (213113311120001), we get a palindrome (313134424431313).

The spelling of 100021113311312 in words is "one hundred trillion, twenty-one billion, one hundred thirteen million, three hundred eleven thousand, three hundred twelve".