22212020000121 has 32 divisors (see below), whose sum is σ = 34311309527040. Its totient is φ = 12518432406144.

The previous prime is 22212020000101. The next prime is 22212020000167. The reversal of 22212020000121 is 12100002021222.

It is not a de Polignac number, because 22212020000121 - 2²⁶ = 22211952891257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22212020000121.

It is not an unprimeable number, because it can be changed into a prime (22212020000101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82216366 + ... + 82486088.

It is an arithmetic number, because the mean of its divisors is an integer number (1072228422720).

Almost surely, 2^{22212020000121} is an apocalyptic number.

22212020000121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22212020000121 is a deficient number, since it is larger than the sum of its proper divisors (12099289526919).

22212020000121 is a wasteful number, since it uses less digits than its factorization.

22212020000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323525.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22212020000121 its reverse (12100002021222), we get a palindrome (34312022021343).

The spelling of 22212020000121 in words is "twenty-two trillion, two hundred twelve billion, twenty million, one hundred twenty-one", and thus it is an aban number.