111020102102 has 32 divisors (see below), whose sum is σ = 205129012032. Its totient is φ = 43883864064.

The previous prime is 111020102033. The next prime is 111020102117. The reversal of 111020102102 is 201201020111.

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, 29123 + ... + 472110.

It is an arithmetic number, because the mean of its divisors is an integer number (6410281626).

Almost surely, 2^111020102102 is an apocalyptic number.

111020102102 is a deficient number, since it is larger than the sum of its proper divisors (94108909930).

111020102102 is a wasteful number, since it uses less digits than its factorization.

111020102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502472.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111020102102 its reverse (201201020111), we get a palindrome (312221122213).

The spelling of 111020102102 in words is "one hundred eleven billion, twenty million, one hundred two thousand, one hundred two".