102222122111 has 12 divisors (see below), whose sum is σ = 102789755640. Its totient is φ = 101656815120.

The previous prime is 102222122099. The next prime is 102222122113. The reversal of 102222122111 is 111221222201.

It is not a de Polignac number, because 102222122111 - 2³⁴ = 85042252927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102222122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222122113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155116700 + ... + 155117358.

It is an arithmetic number, because the mean of its divisors is an integer number (8565812970).

Almost surely, 2^102222122111 is an apocalyptic number.

102222122111 is a deficient number, since it is larger than the sum of its proper divisors (567633529).

102222122111 is an frugal number, since it uses more digits than its factorization.

102222122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102222122111 its reverse (111221222201), we get a palindrome (213443344312).

The spelling of 102222122111 in words is "one hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".