12100131100091 has 2 divisors, whose sum is σ = 12100131100092. Its totient is φ = 12100131100090.

The previous prime is 12100131100069. The next prime is 12100131100129. The reversal of 12100131100091 is 19000113100121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100131100091 - 2¹⁴ = 12100131083707 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100131100591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050065550045 + 6050065550046.

It is an arithmetic number, because the mean of its divisors is an integer number (6050065550046).

Almost surely, 2^{12100131100091} is an apocalyptic number.

12100131100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100131100091 is an equidigital number, since it uses as much as digits as its factorization.

12100131100091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 12100131100091 in words is "twelve trillion, one hundred billion, one hundred thirty-one million, one hundred thousand, ninety-one".