12011009301091 has 4 divisors (see below), whose sum is σ = 12011070259552. Its totient is φ = 12010948342632.

The previous prime is 12011009301041. The next prime is 12011009301097. The reversal of 12011009301091 is 19010390011021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12011009301091 - 2²¹ = 12011007203939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011009301097) 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, 30182715 + ... + 30578068.

It is an arithmetic number, because the mean of its divisors is an integer number (3002767564888).

Almost surely, 2^{12011009301091} is an apocalyptic number.

12011009301091 is a deficient number, since it is larger than the sum of its proper divisors (60958461).

12011009301091 is an equidigital number, since it uses as much as digits as its factorization.

12011009301091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60958460.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 12011009301091 in words is "twelve trillion, eleven billion, nine million, three hundred one thousand, ninety-one".