2223122111 has 24 divisors (see below), whose sum is σ = 2619005904. Its totient is φ = 1881411840.

The previous prime is 2223122101. The next prime is 2223122119. The reversal of 2223122111 is 1112213222.

It is not a de Polignac number, because 2223122111 - 2¹⁸ = 2222859967 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 2223122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223122119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1832141 + ... + 1833353.

It is an arithmetic number, because the mean of its divisors is an integer number (109125246).

Almost surely, 2^2223122111 is an apocalyptic number.

2223122111 is a deficient number, since it is larger than the sum of its proper divisors (395883793).

2223122111 is a wasteful number, since it uses less digits than its factorization.

2223122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1664 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2223122111 is about 47149.9958748673. The cubic root of 2223122111 is about 1305.1320038909.

Adding to 2223122111 its reverse (1112213222), we get a palindrome (3335335333).

The spelling of 2223122111 in words is "two billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred eleven".