22101122112211 has 2 divisors, whose sum is σ = 22101122112212. Its totient is φ = 22101122112210.

The previous prime is 22101122112193. The next prime is 22101122112239. The reversal of 22101122112211 is 11221122110122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22101122112211 - 2³³ = 22092532177619 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101122112281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050561056105 + 11050561056106.

It is an arithmetic number, because the mean of its divisors is an integer number (11050561056106).

Almost surely, 2^{22101122112211} is an apocalyptic number.

22101122112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101122112211 is an equidigital number, since it uses as much as digits as its factorization.

22101122112211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22101122112211 its reverse (11221122110122), we get a palindrome (33322244222333).

The spelling of 22101122112211 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred eleven".