12220102111 has 24 divisors (see below), whose sum is σ = 15328398960. Its totient is φ = 9681033600.

The previous prime is 12220102079. The next prime is 12220102171. The reversal of 12220102111 is 11120102221.

It is not a de Polignac number, because 12220102111 - 2⁵ = 12220102079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220102091 and 12220102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220102171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121900 + ... + 198241.

It is an arithmetic number, because the mean of its divisors is an integer number (638683290).

Almost surely, 2^12220102111 is an apocalyptic number.

12220102111 is a deficient number, since it is larger than the sum of its proper divisors (3108296849).

12220102111 is a wasteful number, since it uses less digits than its factorization.

12220102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320215 (or 320208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12220102111 its reverse (11120102221), we get a palindrome (23340204332).

The spelling of 12220102111 in words is "twelve billion, two hundred twenty million, one hundred two thousand, one hundred eleven".