2221112222110 has 8 divisors (see below), whose sum is σ = 3998001999816. Its totient is φ = 888444888840.

The previous prime is 2221112222089. The next prime is 2221112222123. The reversal of 2221112222110 is 112222111222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111055611096 + ... + 111055611115.

It is an arithmetic number, because the mean of its divisors is an integer number (499750249977).

Almost surely, 2^{2221112222110} is an apocalyptic number.

2221112222110 is a deficient number, since it is larger than the sum of its proper divisors (1776889777706).

2221112222110 is a wasteful number, since it uses less digits than its factorization.

2221112222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222111222218.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2221112222110 its reverse (112222111222), we get a palindrome (2333334333332).

The spelling of 2221112222110 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred ten".