32111112400402 has 24 divisors (see below), whose sum is σ = 56705682153456. Its totient is φ = 13596099222888.

The previous prime is 32111112400379. The next prime is 32111112400403. The reversal of 32111112400402 is 20400421111123.

It is a super-2 number, since 2×32111112400402² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32111112400403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1973873868 + ... + 1973890135.

It is an arithmetic number, because the mean of its divisors is an integer number (2362736756394).

Almost surely, 2^{32111112400402} is an apocalyptic number.

32111112400402 is a deficient number, since it is larger than the sum of its proper divisors (24594569753054).

32111112400402 is a wasteful number, since it uses less digits than its factorization.

32111112400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947764102 (or 3947764095 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 32111112400402 its reverse (20400421111123), we get a palindrome (52511533511525).

The spelling of 32111112400402 in words is "thirty-two trillion, one hundred eleven billion, one hundred twelve million, four hundred thousand, four hundred two".