100231213131112 has 32 divisors (see below), whose sum is σ = 214781591401920. Its totient is φ = 42956150117760.

The previous prime is 100231213131097. The next prime is 100231213131143. The reversal of 100231213131112 is 211131312132001.

It is a super-2 number, since 2×100231213131112² (a number of 29 digits) contains 22 as substring.

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, 33331812 + ... + 36214252.

It is an arithmetic number, because the mean of its divisors is an integer number (6711924731310).

Almost surely, 2^{100231213131112} is an apocalyptic number.

It is an amenable number.

100231213131112 is an abundant number, since it is smaller than the sum of its proper divisors (114550378270808).

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

100231213131112 is a wasteful number, since it uses less digits than its factorization.

100231213131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503401 (or 3503397 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 100231213131112 its reverse (211131312132001), we get a palindrome (311362525263113).

The spelling of 100231213131112 in words is "one hundred trillion, two hundred thirty-one billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred twelve".