22121120222099 has 2 divisors, whose sum is σ = 22121120222100. Its totient is φ = 22121120222098.

The previous prime is 22121120222093. The next prime is 22121120222129. The reversal of 22121120222099 is 99022202112122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121120222099 - 2³² = 22116825254803 is a prime.

It is a super-2 number, since 2×22121120222099² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22121120222093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060560111049 + 11060560111050.

It is an arithmetic number, because the mean of its divisors is an integer number (11060560111050).

Almost surely, 2^{22121120222099} is an apocalyptic number.

22121120222099 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121120222099 is an equidigital number, since it uses as much as digits as its factorization.

22121120222099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 22121120222099 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, ninety-nine".