12100201002091 has 2 divisors, whose sum is σ = 12100201002092. Its totient is φ = 12100201002090.

The previous prime is 12100201002053. The next prime is 12100201002133. The reversal of 12100201002091 is 19020010200121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100201002091 - 2⁷ = 12100201001963 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100201002041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050100501045 + 6050100501046.

It is an arithmetic number, because the mean of its divisors is an integer number (6050100501046).

Almost surely, 2^{12100201002091} is an apocalyptic number.

12100201002091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100201002091 is an equidigital number, since it uses as much as digits as its factorization.

12100201002091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 12100201002091 in words is "twelve trillion, one hundred billion, two hundred one million, two thousand, ninety-one".