111101012020102 has 32 divisors (see below), whose sum is σ = 179511038058240. Its totient is φ = 51265913664000.

The previous prime is 111101012020099. The next prime is 111101012020169. The reversal of 111101012020102 is 201020210101111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 4367337099 + ... + 4367362537.

It is an arithmetic number, because the mean of its divisors is an integer number (5609719939320).

Almost surely, 2^{111101012020102} is an apocalyptic number.

111101012020102 is a deficient number, since it is larger than the sum of its proper divisors (68410026038138).

111101012020102 is a wasteful number, since it uses less digits than its factorization.

111101012020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56448.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111101012020102 its reverse (201020210101111), we get a palindrome (312121222121213).

The spelling of 111101012020102 in words is "one hundred eleven trillion, one hundred one billion, twelve million, twenty thousand, one hundred two".