23222102921 has 2 divisors, whose sum is σ = 23222102922. Its totient is φ = 23222102920.

The previous prime is 23222102909. The next prime is 23222102923. The reversal of 23222102921 is 12920122232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14032771600 + 9189331321 = 118460^2 + 95861^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222102921 - 2¹⁰ = 23222101897 is a prime.

Together with 23222102923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23222102923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611051460 + 11611051461.

It is an arithmetic number, because the mean of its divisors is an integer number (11611051461).

Almost surely, 2^23222102921 is an apocalyptic number.

It is an amenable number.

23222102921 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222102921 is an equidigital number, since it uses as much as digits as its factorization.

23222102921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 23222102921 in words is "twenty-three billion, two hundred twenty-two million, one hundred two thousand, nine hundred twenty-one".