111231001302102 has 96 divisors (see below), whose sum is σ = 271980919342080. Its totient is φ = 32543425844160.

The previous prime is 111231001302097. The next prime is 111231001302121. The reversal of 111231001302102 is 201203100132111.

111231001302102 is a `hidden beast` number, since 1 + 1 + 12 + 310 + 0 + 130 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339320443 + ... + 339648089.

It is an arithmetic number, because the mean of its divisors is an integer number (2833134576480).

Almost surely, 2^{111231001302102} is an apocalyptic number.

111231001302102 is an abundant number, since it is smaller than the sum of its proper divisors (160749918039978).

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

111231001302102 is a wasteful number, since it uses less digits than its factorization.

111231001302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386818 (or 386815 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111231001302102 its reverse (201203100132111), we get a palindrome (312434101434213).

The spelling of 111231001302102 in words is "one hundred eleven trillion, two hundred thirty-one billion, one million, three hundred two thousand, one hundred two".