2110121200121 has 8 divisors (see below), whose sum is σ = 2311121520288. Its totient is φ = 1910649400000.

The previous prime is 2110121200067. The next prime is 2110121200139. The reversal of 2110121200121 is 1210021210112.

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

It is not a de Polignac number, because 2110121200121 - 2¹⁰ = 2110121199097 is a prime.

It is a super-2 number, since 2×2110121200121² (a number of 25 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 = 2110121200096 and 2110121200105.

It is not an unprimeable number, because it can be changed into a prime (2110121200921) 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, 382127120 + ... + 382132641.

It is an arithmetic number, because the mean of its divisors is an integer number (288890190036).

Almost surely, 2^{2110121200121} is an apocalyptic number.

It is an amenable number.

2110121200121 is a deficient number, since it is larger than the sum of its proper divisors (201000320167).

2110121200121 is a wasteful number, since it uses less digits than its factorization.

2110121200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764260023.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2110121200121 its reverse (1210021210112), we get a palindrome (3320142410233).

Subtracting from 2110121200121 its reverse (1210021210112), we obtain a palindrome (900099990009).

The spelling of 2110121200121 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred thousand, one hundred twenty-one".