2122183939991 has 2 divisors, whose sum is σ = 2122183939992. Its totient is φ = 2122183939990.

The previous prime is 2122183939951. The next prime is 2122183940017. The reversal of 2122183939991 is 1999393812212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122183939991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122183939991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122183939951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061091969995 + 1061091969996.

It is an arithmetic number, because the mean of its divisors is an integer number (1061091969996).

Almost surely, 2^{2122183939991} is an apocalyptic number.

2122183939991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122183939991 is an equidigital number, since it uses as much as digits as its factorization.

2122183939991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 59.

The spelling of 2122183939991 in words is "two trillion, one hundred twenty-two billion, one hundred eighty-three million, nine hundred thirty-nine thousand, nine hundred ninety-one".