22111199999989 has 2 divisors, whose sum is σ = 22111199999990. Its totient is φ = 22111199999988.

The previous prime is 22111199999983. The next prime is 22111200000007. The reversal of 22111199999989 is 98999999111122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19110624264900 + 3000575735089 = 4371570^2 + 1732217^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111199999989 - 2²⁷ = 22111065782261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111199999983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055599999994 + 11055599999995.

It is an arithmetic number, because the mean of its divisors is an integer number (11055599999995).

Almost surely, 2^{22111199999989} is an apocalyptic number.

It is an amenable number.

22111199999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111199999989 is an equidigital number, since it uses as much as digits as its factorization.

22111199999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153055008, while the sum is 79.

The spelling of 22111199999989 in words is "twenty-two trillion, one hundred eleven billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".