11422036621 has 2 divisors, whose sum is σ = 11422036622. Its totient is φ = 11422036620.

The previous prime is 11422036607. The next prime is 11422036627. The reversal of 11422036621 is 12663022411.

11422036621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6648608521 + 4773428100 = 81539^2 + 69090^2 .

It is a cyclic number.

It is not a de Polignac number, because 11422036621 - 2²³ = 11413648013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11422036621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11422036627) 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, 5711018310 + 5711018311.

It is an arithmetic number, because the mean of its divisors is an integer number (5711018311).

Almost surely, 2^11422036621 is an apocalyptic number.

It is an amenable number.

11422036621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422036621 is an equidigital number, since it uses as much as digits as its factorization.

11422036621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 11422036621 in words is "eleven billion, four hundred twenty-two million, thirty-six thousand, six hundred twenty-one".