111020102112102 has 64 divisors (see below), whose sum is σ = 234265021758720. Its totient is φ = 34978213355904.

The previous prime is 111020102112077. The next prime is 111020102112107. The reversal of 111020102112102 is 201211201020111.

It is a happy number.

It is a super-2 number, since 2×111020102112102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020102112107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554062328 + ... + 1554133764.

It is an arithmetic number, because the mean of its divisors is an integer number (3660390964980).

Almost surely, 2^{111020102112102} is an apocalyptic number.

111020102112102 is an abundant number, since it is smaller than the sum of its proper divisors (123244919646618).

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

111020102112102 is a wasteful number, since it uses less digits than its factorization.

111020102112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102677.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111020102112102 its reverse (201211201020111), we get a palindrome (312231303132213).

The spelling of 111020102112102 in words is "one hundred eleven trillion, twenty billion, one hundred two million, one hundred twelve thousand, one hundred two".