121113121311131 has 8 divisors (see below), whose sum is σ = 128134640771280. Its totient is φ = 114156316316448.

The previous prime is 121113121311097. The next prime is 121113121311137. The reversal of 121113121311131 is 131113121311121.

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 121113121311131 - 2³⁸ = 120838243404187 is a prime.

It is a super-2 number, since 2×121113121311131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121113121311097 and 121113121311106.

It is not an unprimeable number, because it can be changed into a prime (121113121311137) 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, 16178612516 + ... + 16178620001.

It is an arithmetic number, because the mean of its divisors is an integer number (16016830096410).

Almost surely, 2^{121113121311131} is an apocalyptic number.

121113121311131 is a deficient number, since it is larger than the sum of its proper divisors (7021519460149).

121113121311131 is a wasteful number, since it uses less digits than its factorization.

121113121311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32357232733.

The product of its digits is 108, while the sum is 23.

Adding to 121113121311131 its reverse (131113121311121), we get a palindrome (252226242622252).

The spelling of 121113121311131 in words is "one hundred twenty-one trillion, one hundred thirteen billion, one hundred twenty-one million, three hundred eleven thousand, one hundred thirty-one".