121313332033111 has 16 divisors (see below), whose sum is σ = 129459096275040. Its totient is φ = 113343934210560.

The previous prime is 121313332033087. The next prime is 121313332033193. The reversal of 121313332033111 is 111330233313121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121313332033111 - 2⁷ = 121313332032983 is a prime.

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 121313332033111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313332033711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11652291 + ... + 19452571.

It is an arithmetic number, because the mean of its divisors is an integer number (8091193517190).

Almost surely, 2^{121313332033111} is an apocalyptic number.

121313332033111 is a deficient number, since it is larger than the sum of its proper divisors (8145764241929).

121313332033111 is a wasteful number, since it uses less digits than its factorization.

121313332033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811586.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 121313332033111 its reverse (111330233313121), we get a palindrome (232643565346232).

The spelling of 121313332033111 in words is "one hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-two million, thirty-three thousand, one hundred eleven".