22061521199 has 2 divisors, whose sum is σ = 22061521200. Its totient is φ = 22061521198.

The previous prime is 22061521177. The next prime is 22061521253. The reversal of 22061521199 is 99112516022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22061521199 - 2²⁴ = 22044743983 is a prime.

It is a super-2 number, since 2×22061521199² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22061521169) 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, 11030760599 + 11030760600.

It is an arithmetic number, because the mean of its divisors is an integer number (11030760600).

Almost surely, 2^22061521199 is an apocalyptic number.

22061521199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061521199 is an equidigital number, since it uses as much as digits as its factorization.

22061521199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 22061521199 in words is "twenty-two billion, sixty-one million, five hundred twenty-one thousand, one hundred ninety-nine".