22202022124121 has 6 divisors (see below), whose sum is σ = 25826842062810. Its totient is φ = 19030304677776.

The previous prime is 22202022124049. The next prime is 22202022124133. The reversal of 22202022124121 is 12142122020222.

It can be written as a sum of positive squares in only one way, i.e., 11976167635600 + 10225854488521 = 3460660^2 + 3197789^2 .

It is not a de Polignac number, because 22202022124121 - 2²⁶ = 22201955015257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202022124721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226551246116 + ... + 226551246213.

It is an arithmetic number, because the mean of its divisors is an integer number (4304473677135).

Almost surely, 2^{22202022124121} is an apocalyptic number.

It is an amenable number.

22202022124121 is a deficient number, since it is larger than the sum of its proper divisors (3624819938689).

22202022124121 is an equidigital number, since it uses as much as digits as its factorization.

22202022124121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453102492343 (or 453102492336 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22202022124121 its reverse (12142122020222), we get a palindrome (34344144144343).

The spelling of 22202022124121 in words is "twenty-two trillion, two hundred two billion, twenty-two million, one hundred twenty-four thousand, one hundred twenty-one".