111311042102 has 32 divisors (see below), whose sum is σ = 182807153760. Its totient is φ = 50518494720.

The previous prime is 111311042039. The next prime is 111311042111. The reversal of 111311042102 is 201240113111.

111311042102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8016638 + ... + 8030510.

It is an arithmetic number, because the mean of its divisors is an integer number (5712723555).

Almost surely, 2^111311042102 is an apocalyptic number.

111311042102 is a deficient number, since it is larger than the sum of its proper divisors (71496111658).

111311042102 is a wasteful number, since it uses less digits than its factorization.

111311042102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19008.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111311042102 its reverse (201240113111), we get a palindrome (312551155213).

The spelling of 111311042102 in words is "one hundred eleven billion, three hundred eleven million, forty-two thousand, one hundred two".