222221000012211 has 12 divisors (see below), whose sum is σ = 329661183201792. Its totient is φ = 144143351359056.

The previous prime is 222221000012177. The next prime is 222221000012257. The reversal of 222221000012211 is 112210000122222.

It is a happy number.

222221000012211 is a `hidden beast` number, since 222 + 221 + 0 + 0 + 0 + 0 + 1 + 221 + 1 = 666.

It is not a de Polignac number, because 222221000012211 - 2¹⁰ = 222221000011187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221000092211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333665164851 + ... + 333665165516.

It is an arithmetic number, because the mean of its divisors is an integer number (27471765266816).

Almost surely, 2^{222221000012211} is an apocalyptic number.

222221000012211 is a deficient number, since it is larger than the sum of its proper divisors (107440183189581).

222221000012211 is a wasteful number, since it uses less digits than its factorization.

222221000012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667330330410 (or 667330330407 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222221000012211 its reverse (112210000122222), we get a palindrome (334431000134433).

The spelling of 222221000012211 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twelve thousand, two hundred eleven".