12091022011001 has 4 divisors (see below), whose sum is σ = 12091061357904. Its totient is φ = 12090982664100.

The previous prime is 12091022010997. The next prime is 12091022011009. The reversal of 12091022011001 is 10011022019021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12091022011001 - 2² = 12091022010997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12091022011009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19208855 + ... + 19828316.

It is an arithmetic number, because the mean of its divisors is an integer number (3022765339476).

Almost surely, 2^{12091022011001} is an apocalyptic number.

It is an amenable number.

12091022011001 is a deficient number, since it is larger than the sum of its proper divisors (39346903).

12091022011001 is an equidigital number, since it uses as much as digits as its factorization.

12091022011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39346902.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12091022011001 in words is "twelve trillion, ninety-one billion, twenty-two million, eleven thousand, one".