22510050121 has 16 divisors (see below), whose sum is σ = 25049598784. Its totient is φ = 20092826304.

The previous prime is 22510050077. The next prime is 22510050151. The reversal of 22510050121 is 12105001522.

It is a cyclic number.

It is not a de Polignac number, because 22510050121 - 2¹³ = 22510041929 is a prime.

It is a super-2 number, since 2×22510050121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22510050151) 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, 65151 + ... + 221956.

It is an arithmetic number, because the mean of its divisors is an integer number (1565599924).

Almost surely, 2^22510050121 is an apocalyptic number.

It is an amenable number.

22510050121 is a deficient number, since it is larger than the sum of its proper divisors (2539548663).

22510050121 is a wasteful number, since it uses less digits than its factorization.

22510050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287320.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 22510050121 its reverse (12105001522), we get a palindrome (34615051643).

The spelling of 22510050121 in words is "twenty-two billion, five hundred ten million, fifty thousand, one hundred twenty-one".