22111021212179 has 2 divisors, whose sum is σ = 22111021212180. Its totient is φ = 22111021212178.

The previous prime is 22111021212157. The next prime is 22111021212223. The reversal of 22111021212179 is 97121212011122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111021212179 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111021262179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055510606089 + 11055510606090.

It is an arithmetic number, because the mean of its divisors is an integer number (11055510606090).

Almost surely, 2^{22111021212179} is an apocalyptic number.

22111021212179 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111021212179 is an equidigital number, since it uses as much as digits as its factorization.

22111021212179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 22111021212179 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, two hundred twelve thousand, one hundred seventy-nine".