121113331111191 has 8 divisors (see below), whose sum is σ = 161484878592880. Its totient is φ = 80742002185152.

The previous prime is 121113331111163. The next prime is 121113331111207. The reversal of 121113331111191 is 191111133311121.

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

It is not a de Polignac number, because 121113331111191 - 2¹⁸ = 121113330849047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113331116191) 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, 53341486 + ... + 55565643.

It is an arithmetic number, because the mean of its divisors is an integer number (20185609824110).

Almost surely, 2^{121113331111191} is an apocalyptic number.

121113331111191 is a deficient number, since it is larger than the sum of its proper divisors (40371547481689).

121113331111191 is a wasteful number, since it uses less digits than its factorization.

121113331111191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109277825.

The product of its digits is 486, while the sum is 30.

The spelling of 121113331111191 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred thirty-one million, one hundred eleven thousand, one hundred ninety-one".