2110122220111 has 4 divisors (see below), whose sum is σ = 2110188937032. Its totient is φ = 2110055503192.

The previous prime is 2110122220097. The next prime is 2110122220121. The reversal of 2110122220111 is 1110222210112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2110122220111 - 2²¹ = 2110120122959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110122220121) 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, 33310996 + ... + 33374281.

It is an arithmetic number, because the mean of its divisors is an integer number (527547234258).

Almost surely, 2^{2110122220111} is an apocalyptic number.

2110122220111 is a deficient number, since it is larger than the sum of its proper divisors (66716921).

2110122220111 is an equidigital number, since it uses as much as digits as its factorization.

2110122220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66716920.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2110122220111 its reverse (1110222210112), we get a palindrome (3220344430223).

Subtracting from 2110122220111 its reverse (1110222210112), we obtain a palindrome (999900009999).

It can be divided in two parts, 2110 and 122220111, that added together give a palindrome (122222221).

The spelling of 2110122220111 in words is "two trillion, one hundred ten billion, one hundred twenty-two million, two hundred twenty thousand, one hundred eleven".