22420445112121 has 12 divisors (see below), whose sum is σ = 26082138943632. Its totient is φ = 19216630594728.

The previous prime is 22420445112119. The next prime is 22420445112137. The reversal of 22420445112121 is 12121154402422.

It is a happy number.

It is not a de Polignac number, because 22420445112121 - 2¹ = 22420445112119 is a prime.

It is a super-2 number, since 2×22420445112121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22420445112181) 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, 9574935 + ... + 11684188.

It is an arithmetic number, because the mean of its divisors is an integer number (2173511578636).

Almost surely, 2^{22420445112121} is an apocalyptic number.

It is an amenable number.

22420445112121 is a deficient number, since it is larger than the sum of its proper divisors (3661693831511).

22420445112121 is a wasteful number, since it uses less digits than its factorization.

22420445112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21280660 (or 21280653 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 22420445112121 its reverse (12121154402422), we get a palindrome (34541599514543).

The spelling of 22420445112121 in words is "twenty-two trillion, four hundred twenty billion, four hundred forty-five million, one hundred twelve thousand, one hundred twenty-one".