111112101020102 has 32 divisors (see below), whose sum is σ = 205135931626752. Its totient is φ = 43955171502624.

The previous prime is 111112101019991. The next prime is 111112101020149. The reversal of 111112101020102 is 201020101211111.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419388 + ... + 15102239.

It is an arithmetic number, because the mean of its divisors is an integer number (6410497863336).

Almost surely, 2^{111112101020102} is an apocalyptic number.

111112101020102 is a deficient number, since it is larger than the sum of its proper divisors (94023830606650).

111112101020102 is a wasteful number, since it uses less digits than its factorization.

111112101020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17556492.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111112101020102 its reverse (201020101211111), we get a palindrome (312132202231213).

The spelling of 111112101020102 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred one million, twenty thousand, one hundred two".