111112100012102 has 12 divisors (see below), whose sum is σ = 193879276551900. Its totient is φ = 47619471433716.

The previous prime is 111112100012063. The next prime is 111112100012113. The reversal of 111112100012102 is 201210001211111.

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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566898469352 + ... + 566898469547.

It is an arithmetic number, because the mean of its divisors is an integer number (16156606379325).

Almost surely, 2^{111112100012102} is an apocalyptic number.

111112100012102 is a deficient number, since it is larger than the sum of its proper divisors (82767176539798).

111112100012102 is a wasteful number, since it uses less digits than its factorization.

111112100012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133796938915 (or 1133796938908 counting only the distinct ones).

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

Adding to 111112100012102 its reverse (201210001211111), we get a palindrome (312322101223213).

The spelling of 111112100012102 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred million, twelve thousand, one hundred two".