22120130121 has 4 divisors (see below), whose sum is σ = 29493506832. Its totient is φ = 14746753412.

The previous prime is 22120130099. The next prime is 22120130233. The reversal of 22120130121 is 12103102122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22120130121 - 2²³ = 22111741513 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120130121.

It is not an unprimeable number, because it can be changed into a prime (22120150121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686688351 + ... + 3686688356.

It is an arithmetic number, because the mean of its divisors is an integer number (7373376708).

Almost surely, 2^22120130121 is an apocalyptic number.

It is an amenable number.

22120130121 is a deficient number, since it is larger than the sum of its proper divisors (7373376711).

22120130121 is an equidigital number, since it uses as much as digits as its factorization.

22120130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373376710.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22120130121 its reverse (12103102122), we get a palindrome (34223232243).

The spelling of 22120130121 in words is "twenty-two billion, one hundred twenty million, one hundred thirty thousand, one hundred twenty-one".