22010120121 has 16 divisors (see below), whose sum is σ = 32182345728. Its totient is φ = 13269622800.

The previous prime is 22010120113. The next prime is 22010120141. The reversal of 22010120121 is 12102101022.

It is not a de Polignac number, because 22010120121 - 2³ = 22010120113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010120097 and 22010120106.

It is not an unprimeable number, because it can be changed into a prime (22010120141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1739701 + ... + 1752306.

It is an arithmetic number, because the mean of its divisors is an integer number (2011396608).

Almost surely, 2^22010120121 is an apocalyptic number.

It is an amenable number.

22010120121 is a deficient number, since it is larger than the sum of its proper divisors (10172225607).

22010120121 is a wasteful number, since it uses less digits than its factorization.

22010120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492212.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22010120121 its reverse (12102101022), we get a palindrome (34112221143).

The spelling of 22010120121 in words is "twenty-two billion, ten million, one hundred twenty thousand, one hundred twenty-one".