121012122111013 has 8 divisors (see below), whose sum is σ = 139725336871232. Its totient is φ = 102655349536896.

The previous prime is 121012122110989. The next prime is 121012122111047. The reversal of 121012122111013 is 310111221210121.

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 121012122111013 - 2²⁵ = 121012088556581 is a prime.

It is a super-2 number, since 2×121012122111013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012122111113) 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, 89110545795 + ... + 89110547152.

It is an arithmetic number, because the mean of its divisors is an integer number (17465667108904).

Almost surely, 2^{121012122111013} is an apocalyptic number.

It is an amenable number.

121012122111013 is a deficient number, since it is larger than the sum of its proper divisors (18713214760219).

121012122111013 is an equidigital number, since it uses as much as digits as its factorization.

121012122111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178221093051.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 121012122111013 its reverse (310111221210121), we get a palindrome (431123343321134).

The spelling of 121012122111013 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, thirteen".