2110121 has 8 divisors (see below), whose sum is σ = 2392320. Its totient is φ = 1845072.

The previous prime is 2110103. The next prime is 2110123. The reversal of 2110121 is 1210112.

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 2110121 - 2¹⁰ = 2109097 is a prime.

It is a super-2 number, since 2×2110121² = 8905221269282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2110099 and 2110108.

It is not an unprimeable number, because it can be changed into a prime (2110123) 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, 4025 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (299040).

2^2110121 is an apocalyptic number.

It is an amenable number.

2110121 is a deficient number, since it is larger than the sum of its proper divisors (282199).

2110121 is a wasteful number, since it uses less digits than its factorization.

2110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2110121 is about 1452.6255539539. The cubic root of 2110121 is about 128.2633129395.

Adding to 2110121 its reverse (1210112), we get a palindrome (3320233).

Subtracting from 2110121 its reverse (1210112), we obtain a palindrome (900009).

The spelling of 2110121 in words is "two million, one hundred ten thousand, one hundred twenty-one".