2110210110121 has 4 divisors (see below), whose sum is σ = 2111418016912. Its totient is φ = 2109002203332.

The previous prime is 2110210110119. The next prime is 2110210110137. The reversal of 2110210110121 is 1210110120112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2110210110121 - 2¹ = 2110210110119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110210120121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603950775 + ... + 603954268.

It is an arithmetic number, because the mean of its divisors is an integer number (527854504228).

Almost surely, 2^{2110210110121} is an apocalyptic number.

It is an amenable number.

2110210110121 is a deficient number, since it is larger than the sum of its proper divisors (1207906791).

2110210110121 is a wasteful number, since it uses less digits than its factorization.

2110210110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207906790.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2110210110121 its reverse (1210110120112), we get a palindrome (3320320230233).

Subtracting from 2110210110121 its reverse (1210110120112), we obtain a palindrome (900099990009).

The spelling of 2110210110121 in words is "two trillion, one hundred ten billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".