201131112323112 has 64 divisors (see below), whose sum is σ = 509195953228800. Its totient is φ = 66194625332160.

The previous prime is 201131112323107. The next prime is 201131112323123. The reversal of 201131112323112 is 211323211131102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459544203 + ... + 459981669.

It is an arithmetic number, because the mean of its divisors is an integer number (7956186769200).

Almost surely, 2^{201131112323112} is an apocalyptic number.

It is an amenable number.

201131112323112 is an abundant number, since it is smaller than the sum of its proper divisors (308064840905688).

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

201131112323112 is a wasteful number, since it uses less digits than its factorization.

201131112323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680046 (or 680042 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 201131112323112 its reverse (211323211131102), we get a palindrome (412454323454214).

The spelling of 201131112323112 in words is "two hundred one trillion, one hundred thirty-one billion, one hundred twelve million, three hundred twenty-three thousand, one hundred twelve".