22012020111 has 16 divisors (see below), whose sum is σ = 29610291200. Its totient is φ = 14544448128.

The previous prime is 22012020089. The next prime is 22012020113. The reversal of 22012020111 is 11102021022.

It is not a de Polignac number, because 22012020111 - 2⁹ = 22012019599 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 (22012020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355800 + ... + 413058.

It is an arithmetic number, because the mean of its divisors is an integer number (1850643200).

Almost surely, 2^22012020111 is an apocalyptic number.

22012020111 is a deficient number, since it is larger than the sum of its proper divisors (7598271089).

22012020111 is a wasteful number, since it uses less digits than its factorization.

22012020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58398.

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

Adding to 22012020111 its reverse (11102021022), we get a palindrome (33114041133).

The spelling of 22012020111 in words is "twenty-two billion, twelve million, twenty thousand, one hundred eleven".