22201099951 has 2 divisors, whose sum is σ = 22201099952. Its totient is φ = 22201099950.

The previous prime is 22201099931. The next prime is 22201100021. The reversal of 22201099951 is 15999010222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22201099951 - 2⁵ = 22201099919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201099931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100549975 + 11100549976.

It is an arithmetic number, because the mean of its divisors is an integer number (11100549976).

Almost surely, 2^22201099951 is an apocalyptic number.

22201099951 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201099951 is an equidigital number, since it uses as much as digits as its factorization.

22201099951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 22201099951 in words is "twenty-two billion, two hundred one million, ninety-nine thousand, nine hundred fifty-one".