22002210022121 has 24 divisors (see below), whose sum is σ = 26425896067584. Its totient is φ = 18246631415040.

The previous prime is 22002210022087. The next prime is 22002210022139. The reversal of 22002210022121 is 12122001220022.

It is a happy number.

It is not a de Polignac number, because 22002210022121 - 2¹⁰ = 22002210021097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22002210022121.

It is not an unprimeable number, because it can be changed into a prime (22002210022141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5250476 + ... + 8460018.

It is an arithmetic number, because the mean of its divisors is an integer number (1101079002816).

Almost surely, 2^{22002210022121} is an apocalyptic number.

It is an amenable number.

22002210022121 is a deficient number, since it is larger than the sum of its proper divisors (4423686045463).

22002210022121 is a wasteful number, since it uses less digits than its factorization.

22002210022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214101 (or 3214094 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22002210022121 its reverse (12122001220022), we get a palindrome (34124211242143).

The spelling of 22002210022121 in words is "twenty-two trillion, two billion, two hundred ten million, twenty-two thousand, one hundred twenty-one".