2110220221111 has 4 divisors (see below), whose sum is σ = 2118431194992. Its totient is φ = 2102009247232.

The previous prime is 2110220221061. The next prime is 2110220221117. The reversal of 2110220221111 is 1111220220112.

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 2110220221111 - 2³³ = 2101630286519 is a prime.

It is a super-4 number, since 4×2110220221111⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110220221117) 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, 4105486555 + ... + 4105487068.

It is an arithmetic number, because the mean of its divisors is an integer number (529607798748).

Almost surely, 2^{2110220221111} is an apocalyptic number.

2110220221111 is a deficient number, since it is larger than the sum of its proper divisors (8210973881).

2110220221111 is an equidigital number, since it uses as much as digits as its factorization.

2110220221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210973880.

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

Adding to 2110220221111 its reverse (1111220220112), we get a palindrome (3221440441223).

Subtracting from 2110220221111 its reverse (1111220220112), we obtain a palindrome (999000000999).

The spelling of 2110220221111 in words is "two trillion, one hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, one hundred eleven".