22520121117 has 8 divisors (see below), whose sum is σ = 32336584224. Its totient is φ = 13858536048.

The previous prime is 22520121097. The next prime is 22520121133. The reversal of 22520121117 is 71112102522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22520121117 - 2⁷ = 22520120989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520121157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288719463 + ... + 288719540.

It is an arithmetic number, because the mean of its divisors is an integer number (4042073028).

Almost surely, 2^22520121117 is an apocalyptic number.

It is an amenable number.

22520121117 is a deficient number, since it is larger than the sum of its proper divisors (9816463107).

22520121117 is a wasteful number, since it uses less digits than its factorization.

22520121117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577439019.

The product of its (nonzero) digits is 560, while the sum is 24.

Adding to 22520121117 its reverse (71112102522), we get a palindrome (93632223639).

The spelling of 22520121117 in words is "twenty-two billion, five hundred twenty million, one hundred twenty-one thousand, one hundred seventeen".