102312220111 has 16 divisors (see below), whose sum is σ = 103845265920. Its totient is φ = 100791473760.

The previous prime is 102312220103. The next prime is 102312220141. The reversal of 102312220111 is 111022213201.

It is a cyclic number.

It is not a de Polignac number, because 102312220111 - 2³ = 102312220103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312220141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14887006 + ... + 14893876.

It is an arithmetic number, because the mean of its divisors is an integer number (6490329120).

Almost surely, 2^102312220111 is an apocalyptic number.

102312220111 is a deficient number, since it is larger than the sum of its proper divisors (1533045809).

102312220111 is a wasteful number, since it uses less digits than its factorization.

102312220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102312220111 its reverse (111022213201), we get a palindrome (213334433312).

The spelling of 102312220111 in words is "one hundred two billion, three hundred twelve million, two hundred twenty thousand, one hundred eleven".