111031443102 has 16 divisors (see below), whose sum is σ = 222085285632. Its totient is φ = 37006747800.

The previous prime is 111031443073. The next prime is 111031443143. The reversal of 111031443102 is 201344130111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868524 + ... + 988127.

It is an arithmetic number, because the mean of its divisors is an integer number (13880330352).

Almost surely, 2^111031443102 is an apocalyptic number.

111031443102 is an abundant number, since it is smaller than the sum of its proper divisors (111053842530).

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

111031443102 is a wasteful number, since it uses less digits than its factorization.

111031443102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866623.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111031443102 its reverse (201344130111), we get a palindrome (312375573213).

The spelling of 111031443102 in words is "one hundred eleven billion, thirty-one million, four hundred forty-three thousand, one hundred two".