22112212099 has 2 divisors, whose sum is σ = 22112212100. Its totient is φ = 22112212098.

The previous prime is 22112212091. The next prime is 22112212159. The reversal of 22112212099 is 99021221122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22112212099 - 2³ = 22112212091 is a prime.

It is a super-2 number, since 2×22112212099² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22112212099.

It is not a weakly prime, because it can be changed into another prime (22112212091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056106049 + 11056106050.

It is an arithmetic number, because the mean of its divisors is an integer number (11056106050).

Almost surely, 2^22112212099 is an apocalyptic number.

22112212099 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112212099 is an equidigital number, since it uses as much as digits as its factorization.

22112212099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 22112212099 in words is "twenty-two billion, one hundred twelve million, two hundred twelve thousand, ninety-nine".