121002113113101 has 24 divisors (see below), whose sum is σ = 190670820238080. Its totient is φ = 73334297155200.

The previous prime is 121002113113087. The next prime is 121002113113157. The reversal of 121002113113101 is 101311311200121.

121002113113101 is a `hidden beast` number, since 1 + 21 + 0 + 0 + 21 + 1 + 311 + 310 + 1 = 666.

It is not a de Polignac number, because 121002113113101 - 2⁵ = 121002113113069 is a prime.

It is a super-2 number, since 2×121002113113101² (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 (121002113111101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21497365 + ... + 26535653.

It is an arithmetic number, because the mean of its divisors is an integer number (7944617509920).

Almost surely, 2^{121002113113101} is an apocalyptic number.

121002113113101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121002113113101 is a deficient number, since it is larger than the sum of its proper divisors (69668707124979).

121002113113101 is a wasteful number, since it uses less digits than its factorization.

121002113113101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280897 (or 5280894 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 121002113113101 its reverse (101311311200121), we get a palindrome (222313424313222).

The spelling of 121002113113101 in words is "one hundred twenty-one trillion, two billion, one hundred thirteen million, one hundred thirteen thousand, one hundred one".