12002110211091 has 32 divisors (see below), whose sum is σ = 21486295208448. Its totient is φ = 5755257642240.

The previous prime is 12002110211087. The next prime is 12002110211093. The reversal of 12002110211091 is 19011201120021.

It is not a de Polignac number, because 12002110211091 - 2² = 12002110211087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12002110211093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1998350346 + ... + 1998356351.

It is an arithmetic number, because the mean of its divisors is an integer number (671446725264).

Almost surely, 2^{12002110211091} is an apocalyptic number.

12002110211091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12002110211091 is a deficient number, since it is larger than the sum of its proper divisors (9484184997357).

12002110211091 is a wasteful number, since it uses less digits than its factorization.

12002110211091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996706731.

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

The spelling of 12002110211091 in words is "twelve trillion, two billion, one hundred ten million, two hundred eleven thousand, ninety-one".