12111376021291 has 8 divisors (see below), whose sum is σ = 12139047461520. Its totient is φ = 12083732022432.

The previous prime is 12111376021231. The next prime is 12111376021307. The reversal of 12111376021291 is 19212067311121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111376021291 - 2²⁵ = 12111342466859 is a prime.

It is a super-2 number, since 2×12111376021291² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111376021291.

It is not an unprimeable number, because it can be changed into a prime (12111376021231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5976496 + ... + 7742173.

It is an arithmetic number, because the mean of its divisors is an integer number (1517380932690).

Almost surely, 2^{12111376021291} is an apocalyptic number.

12111376021291 is a deficient number, since it is larger than the sum of its proper divisors (27671440229).

12111376021291 is a wasteful number, since it uses less digits than its factorization.

12111376021291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13720685.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 12111376021291 in words is "twelve trillion, one hundred eleven billion, three hundred seventy-six million, twenty-one thousand, two hundred ninety-one".