22221002111 has 24 divisors (see below), whose sum is σ = 28538625024. Its totient is φ = 17106416880.

The previous prime is 22221002059. The next prime is 22221002143. The reversal of 22221002111 is 11120012222.

It is not a de Polignac number, because 22221002111 - 2⁶ = 22221002047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221002171) 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, 203615 + ... + 293088.

It is an arithmetic number, because the mean of its divisors is an integer number (1189109376).

Almost surely, 2^22221002111 is an apocalyptic number.

22221002111 is a deficient number, since it is larger than the sum of its proper divisors (6317622913).

22221002111 is a wasteful number, since it uses less digits than its factorization.

22221002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496811 (or 496804 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22221002111 its reverse (11120012222), we get a palindrome (33341014333).

The spelling of 22221002111 in words is "twenty-two billion, two hundred twenty-one million, two thousand, one hundred eleven".