22200221211 has 16 divisors (see below), whose sum is σ = 34519296000. Its totient is φ = 12685840104.

The previous prime is 22200221179. The next prime is 22200221213. The reversal of 22200221211 is 11212200222.

It is not a de Polignac number, because 22200221211 - 2⁵ = 22200221179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22200221213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10786251 + ... + 10788308.

It is an arithmetic number, because the mean of its divisors is an integer number (2157456000).

Almost surely, 2^22200221211 is an apocalyptic number.

22200221211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22200221211 is a deficient number, since it is larger than the sum of its proper divisors (12319074789).

22200221211 is an equidigital number, since it uses as much as digits as its factorization.

22200221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21574583 (or 21574569 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22200221211 its reverse (11212200222), we get a palindrome (33412421433).

The spelling of 22200221211 in words is "twenty-two billion, two hundred million, two hundred twenty-one thousand, two hundred eleven".