22373721011 has 2 divisors, whose sum is σ = 22373721012. Its totient is φ = 22373721010.

The previous prime is 22373720983. The next prime is 22373721043. The reversal of 22373721011 is 11012737322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22373721011 - 2²⁶ = 22306612147 is a prime.

It is not a weakly prime, because it can be changed into another prime (22373721511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11186860505 + 11186860506.

It is an arithmetic number, because the mean of its divisors is an integer number (11186860506).

Almost surely, 2^22373721011 is an apocalyptic number.

22373721011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22373721011 is an equidigital number, since it uses as much as digits as its factorization.

22373721011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The spelling of 22373721011 in words is "twenty-two billion, three hundred seventy-three million, seven hundred twenty-one thousand, eleven".