20220012111 has 16 divisors (see below), whose sum is σ = 29036518784. Its totient is φ = 12441946464.

The previous prime is 20220012053. The next prime is 20220012119. The reversal of 20220012111 is 11121002202.

It is not a de Polignac number, because 20220012111 - 2¹⁸ = 20219749967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220012119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 652020 + ... + 682326.

It is an arithmetic number, because the mean of its divisors is an integer number (1814782424).

Almost surely, 2^20220012111 is an apocalyptic number.

20220012111 is a deficient number, since it is larger than the sum of its proper divisors (8816506673).

20220012111 is a wasteful number, since it uses less digits than its factorization.

20220012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47430.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20220012111 its reverse (11121002202), we get a palindrome (31341014313).

Subtracting from 20220012111 its reverse (11121002202), we obtain a palindrome (9099009909).

The spelling of 20220012111 in words is "twenty billion, two hundred twenty million, twelve thousand, one hundred eleven".