113143221091 has 2 divisors, whose sum is σ = 113143221092. Its totient is φ = 113143221090.

The previous prime is 113143221031. The next prime is 113143221151. The reversal of 113143221091 is 190122341311.

It is a balanced prime because it is at equal distance from previous prime (113143221031) and next prime (113143221151).

It is a cyclic number.

It is not a de Polignac number, because 113143221091 - 2²¹ = 113141123939 is a prime.

It is not a weakly prime, because it can be changed into another prime (113143221031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56571610545 + 56571610546.

It is an arithmetic number, because the mean of its divisors is an integer number (56571610546).

Almost surely, 2^113143221091 is an apocalyptic number.

113143221091 is a deficient number, since it is larger than the sum of its proper divisors (1).

113143221091 is an equidigital number, since it uses as much as digits as its factorization.

113143221091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 113143221091 in words is "one hundred thirteen billion, one hundred forty-three million, two hundred twenty-one thousand, ninety-one".