2111211112279 has 2 divisors, whose sum is σ = 2111211112280. Its totient is φ = 2111211112278.

The previous prime is 2111211112183. The next prime is 2111211112321. The reversal of 2111211112279 is 9722111121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111211112279 - 2²⁵ = 2111177557847 is a prime.

It is a super-2 number, since 2×2111211112279² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111211112279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111211112079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605556139 + 1055605556140.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605556140).

Almost surely, 2^{2111211112279} is an apocalyptic number.

2111211112279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111211112279 is an equidigital number, since it uses as much as digits as its factorization.

2111211112279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 31.

The spelling of 2111211112279 in words is "two trillion, one hundred eleven billion, two hundred eleven million, one hundred twelve thousand, two hundred seventy-nine".