2210111121 has 16 divisors (see below), whose sum is σ = 3028269248. Its totient is φ = 1432728000.

The previous prime is 2210111063. The next prime is 2210111143. The reversal of 2210111121 is 1211110122.

It is not a de Polignac number, because 2210111121 - 2²⁵ = 2176556689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210111097 and 2210111106.

It is not an unprimeable number, because it can be changed into a prime (2210111161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218271 + ... + 228171.

It is an arithmetic number, because the mean of its divisors is an integer number (189266828).

Almost surely, 2^2210111121 is an apocalyptic number.

It is an amenable number.

2210111121 is a deficient number, since it is larger than the sum of its proper divisors (818158127).

2210111121 is a wasteful number, since it uses less digits than its factorization.

2210111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 2210111121 is about 47011.8189501321. The cubic root of 2210111121 is about 1302.5808926788.

Adding to 2210111121 its reverse (1211110122), we get a palindrome (3421221243).

Subtracting from 2210111121 its reverse (1211110122), we obtain a palindrome (999000999).

The spelling of 2210111121 in words is "two billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-one".