22111200221 has 8 divisors (see below), whose sum is σ = 24576429024. Its totient is φ = 19721824720.

The previous prime is 22111200193. The next prime is 22111200227. The reversal of 22111200221 is 12200211122.

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

It is a cyclic number.

It is not a de Polignac number, because 22111200221 - 2²² = 22107005917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22111200196 and 22111200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111200227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18962711 + ... + 18963876.

It is an arithmetic number, because the mean of its divisors is an integer number (3072053628).

Almost surely, 2^22111200221 is an apocalyptic number.

It is an amenable number.

22111200221 is a deficient number, since it is larger than the sum of its proper divisors (2465228803).

22111200221 is a wasteful number, since it uses less digits than its factorization.

22111200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37926651.

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

Adding to 22111200221 its reverse (12200211122), we get a palindrome (34311411343).

The spelling of 22111200221 in words is "twenty-two billion, one hundred eleven million, two hundred thousand, two hundred twenty-one".