22100991239 has 2 divisors, whose sum is σ = 22100991240. Its totient is φ = 22100991238.

The previous prime is 22100991233. The next prime is 22100991259. The reversal of 22100991239 is 93219900122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100991239 is a prime.

It is a super-3 number, since 3×22100991239³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22100991233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050495619 + 11050495620.

It is an arithmetic number, because the mean of its divisors is an integer number (11050495620).

Almost surely, 2^22100991239 is an apocalyptic number.

22100991239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100991239 is an equidigital number, since it uses as much as digits as its factorization.

22100991239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 22100991239 in words is "twenty-two billion, one hundred million, nine hundred ninety-one thousand, two hundred thirty-nine".