2113211239 has 2 divisors, whose sum is σ = 2113211240. Its totient is φ = 2113211238.

The previous prime is 2113211207. The next prime is 2113211249. The reversal of 2113211239 is 9321123112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113211239 - 2⁵ = 2113211207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113211249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056605619 + 1056605620.

It is an arithmetic number, because the mean of its divisors is an integer number (1056605620).

Almost surely, 2^2113211239 is an apocalyptic number.

2113211239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113211239 is an equidigital number, since it uses as much as digits as its factorization.

2113211239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 2113211239 is about 45969.6773862945. The cubic root of 2113211239 is about 1283.2589560013.

The spelling of 2113211239 in words is "two billion, one hundred thirteen million, two hundred eleven thousand, two hundred thirty-nine".