22245136121 has 16 divisors (see below), whose sum is σ = 24543716736. Its totient is φ = 20031653376.

The previous prime is 22245136087. The next prime is 22245136153. The reversal of 22245136121 is 12163154222.

It is a cyclic number.

It is not a de Polignac number, because 22245136121 - 2⁶ = 22245136057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22245136171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435881 + ... + 484233.

It is an arithmetic number, because the mean of its divisors is an integer number (1533982296).

Almost surely, 2^22245136121 is an apocalyptic number.

It is an amenable number.

22245136121 is a deficient number, since it is larger than the sum of its proper divisors (2298580615).

22245136121 is a wasteful number, since it uses less digits than its factorization.

22245136121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49232.

The product of its digits is 5760, while the sum is 29.

The spelling of 22245136121 in words is "twenty-two billion, two hundred forty-five million, one hundred thirty-six thousand, one hundred twenty-one".