12010110111091 has 2 divisors, whose sum is σ = 12010110111092. Its totient is φ = 12010110111090.

The previous prime is 12010110111047. The next prime is 12010110111113. The reversal of 12010110111091 is 19011101101021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010110111091 is a prime.

It is a super-2 number, since 2×12010110111091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12010110171091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005055055545 + 6005055055546.

It is an arithmetic number, because the mean of its divisors is an integer number (6005055055546).

Almost surely, 2^{12010110111091} is an apocalyptic number.

12010110111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010110111091 is an equidigital number, since it uses as much as digits as its factorization.

12010110111091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 12010110111091 in words is "twelve trillion, ten billion, one hundred ten million, one hundred eleven thousand, ninety-one".