111311210423402 has 32 divisors (see below), whose sum is σ = 184838212915200. Its totient is φ = 49852998367920.

The previous prime is 111311210423393. The next prime is 111311210423407. The reversal of 111311210423402 is 204324012113111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111311210423407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122972018 + ... + 123873885.

It is an arithmetic number, because the mean of its divisors is an integer number (5776194153600).

Almost surely, 2^{111311210423402} is an apocalyptic number.

111311210423402 is a deficient number, since it is larger than the sum of its proper divisors (73527002491798).

111311210423402 is a wasteful number, since it uses less digits than its factorization.

111311210423402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246846218.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 111311210423402 its reverse (204324012113111), we get a palindrome (315635222536513).

The spelling of 111311210423402 in words is "one hundred eleven trillion, three hundred eleven billion, two hundred ten million, four hundred twenty-three thousand, four hundred two".