22221200212211 has 32 divisors (see below), whose sum is σ = 30244162626048. Its totient is φ = 15764331767040.

The previous prime is 22221200212193. The next prime is 22221200212213. The reversal of 22221200212211 is 11221200212222.

It is a cyclic number.

It is not a de Polignac number, because 22221200212211 - 2²² = 22221196017907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221200212213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151974881 + ... + 152121026.

It is an arithmetic number, because the mean of its divisors is an integer number (945130082064).

Almost surely, 2^{22221200212211} is an apocalyptic number.

22221200212211 is a deficient number, since it is larger than the sum of its proper divisors (8022962413837).

22221200212211 is a wasteful number, since it uses less digits than its factorization.

22221200212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304096011.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221200212211 its reverse (11221200212222), we get a palindrome (33442400424433).

The spelling of 22221200212211 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred eleven".