111012120020102 has 48 divisors (see below), whose sum is σ = 195950601176400. Its totient is φ = 47027008530432.

The previous prime is 111012120020077. The next prime is 111012120020117. The reversal of 111012120020102 is 201020021210111.

111012120020102 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7080983 + ... + 16497410.

It is an arithmetic number, because the mean of its divisors is an integer number (4082304191175).

Almost surely, 2^{111012120020102} is an apocalyptic number.

111012120020102 is a deficient number, since it is larger than the sum of its proper divisors (84938481156298).

111012120020102 is a wasteful number, since it uses less digits than its factorization.

111012120020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23578965 (or 23578958 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111012120020102 its reverse (201020021210111), we get a palindrome (312032141230213).

The spelling of 111012120020102 in words is "one hundred eleven trillion, twelve billion, one hundred twenty million, twenty thousand, one hundred two".