12110010021091 has 2 divisors, whose sum is σ = 12110010021092. Its totient is φ = 12110010021090.

The previous prime is 12110010021073. The next prime is 12110010021107. The reversal of 12110010021091 is 19012001001121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12110010021091 - 2²¹ = 12110007923939 is a prime.

It is not a weakly prime, because it can be changed into another prime (12110011021091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055005010545 + 6055005010546.

It is an arithmetic number, because the mean of its divisors is an integer number (6055005010546).

Almost surely, 2^{12110010021091} is an apocalyptic number.

12110010021091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110010021091 is an equidigital number, since it uses as much as digits as its factorization.

12110010021091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 12110010021091 in words is "twelve trillion, one hundred ten billion, ten million, twenty-one thousand, ninety-one".