2111132113091 has 2 divisors, whose sum is σ = 2111132113092. Its totient is φ = 2111132113090.

The previous prime is 2111132113081. The next prime is 2111132113151. The reversal of 2111132113091 is 1903112311112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111132113091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111132113091.

It is not a weakly prime, because it can be changed into another prime (2111132113081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055566056545 + 1055566056546.

It is an arithmetic number, because the mean of its divisors is an integer number (1055566056546).

Almost surely, 2^{2111132113091} is an apocalyptic number.

2111132113091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111132113091 is an equidigital number, since it uses as much as digits as its factorization.

2111132113091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 2111132113091 in words is "two trillion, one hundred eleven billion, one hundred thirty-two million, one hundred thirteen thousand, ninety-one".