12112010021091 has 16 divisors (see below), whose sum is σ = 16220282158080. Its totient is φ = 8039212560960.

The previous prime is 12112010021063. The next prime is 12112010021107. The reversal of 12112010021091 is 19012001021121.

It is not a de Polignac number, because 12112010021091 - 2⁷ = 12112010020963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112010021791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6154246 + ... + 7880276.

It is an arithmetic number, because the mean of its divisors is an integer number (1013767634880).

Almost surely, 2^{12112010021091} is an apocalyptic number.

12112010021091 is a deficient number, since it is larger than the sum of its proper divisors (4108272136989).

12112010021091 is a wasteful number, since it uses less digits than its factorization.

12112010021091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736306.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 12112010021091 in words is "twelve trillion, one hundred twelve billion, ten million, twenty-one thousand, ninety-one".