22010020020121 has 16 divisors (see below), whose sum is σ = 25421945472000. Its totient is φ = 18666063039888.

The previous prime is 22010020020073. The next prime is 22010020020127. The reversal of 22010020020121 is 12102002001022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22010020020121 - 2⁷ = 22010020019993 is a prime.

It is a super-3 number, since 3×22010020020121³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22010020020127) 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, 43885975 + ... + 44384668.

It is an arithmetic number, because the mean of its divisors is an integer number (1588871592000).

Almost surely, 2^{22010020020121} is an apocalyptic number.

It is an amenable number.

22010020020121 is a deficient number, since it is larger than the sum of its proper divisors (3411925451879).

22010020020121 is a wasteful number, since it uses less digits than its factorization.

22010020020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88271028.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22010020020121 its reverse (12102002001022), we get a palindrome (34112022021143).

The spelling of 22010020020121 in words is "twenty-two trillion, ten billion, twenty million, twenty thousand, one hundred twenty-one".