22220089121 has 2 divisors, whose sum is σ = 22220089122. Its totient is φ = 22220089120.

The previous prime is 22220089097. The next prime is 22220089123. The reversal of 22220089121 is 12198002222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18751468096 + 3468621025 = 136936^2 + 58895^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220089121 - 2¹⁰ = 22220088097 is a prime.

It is a Sophie Germain prime.

Together with 22220089123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22220089123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110044560 + 11110044561.

It is an arithmetic number, because the mean of its divisors is an integer number (11110044561).

Almost surely, 2^22220089121 is an apocalyptic number.

It is an amenable number.

22220089121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220089121 is an equidigital number, since it uses as much as digits as its factorization.

22220089121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 22220089121 in words is "twenty-two billion, two hundred twenty million, eighty-nine thousand, one hundred twenty-one".