2111001222223 has 4 divisors (see below), whose sum is σ = 2111034484440. Its totient is φ = 2110967960008.

The previous prime is 2111001222203. The next prime is 2111001222229. The reversal of 2111001222223 is 3222221001112.

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 2111001222223 - 2²⁵ = 2110967667791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111001222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111001222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16535728 + ... + 16662901.

It is an arithmetic number, because the mean of its divisors is an integer number (527758621110).

Almost surely, 2^{2111001222223} is an apocalyptic number.

2111001222223 is a deficient number, since it is larger than the sum of its proper divisors (33262217).

2111001222223 is an equidigital number, since it uses as much as digits as its factorization.

2111001222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33262216.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2111001222223 its reverse (3222221001112), we get a palindrome (5333222223335).

The spelling of 2111001222223 in words is "two trillion, one hundred eleven billion, one million, two hundred twenty-two thousand, two hundred twenty-three".