12220202022111 has 20 divisors (see below), whose sum is σ = 18273747642832. Its totient is φ = 8138376475488.

The previous prime is 12220202022053. The next prime is 12220202022157. The reversal of 12220202022111 is 11122020202221.

It is a happy number.

12220202022111 is a `hidden beast` number, since 12 + 220 + 20 + 202 + 211 + 1 = 666.

It is not a de Polignac number, because 12220202022111 - 2⁶ = 12220202022047 is a prime.

It is a super-2 number, since 2×12220202022111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220202020111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77929270 + ... + 78085923.

Almost surely, 2^{12220202022111} is an apocalyptic number.

12220202022111 is a deficient number, since it is larger than the sum of its proper divisors (6053545620721).

12220202022111 is an equidigital number, since it uses as much as digits as its factorization.

12220202022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156016172 (or 156016163 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220202022111 its reverse (11122020202221), we get a palindrome (23342222224332).

The spelling of 12220202022111 in words is "twelve trillion, two hundred twenty billion, two hundred two million, twenty-two thousand, one hundred eleven".