102112211110 has 64 divisors (see below), whose sum is σ = 228332224512. Its totient is φ = 32014774656.

The previous prime is 102112211029. The next prime is 102112211143. The reversal of 102112211110 is 11112211201.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426982 + ... + 621721.

It is an arithmetic number, because the mean of its divisors is an integer number (3567691008).

Almost surely, 2^102112211110 is an apocalyptic number.

102112211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102112211110 is an abundant number, since it is smaller than the sum of its proper divisors (126220013402).

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

102112211110 is a wasteful number, since it uses less digits than its factorization.

102112211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048837.

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

Adding to 102112211110 its reverse (11112211201), we get a palindrome (113224422311).

Subtracting from 102112211110 its reverse (11112211201), we obtain a palindrome (90999999909).

The spelling of 102112211110 in words is "one hundred two billion, one hundred twelve million, two hundred eleven thousand, one hundred ten".