222121000220211 has 6 divisors (see below), whose sum is σ = 320841444762540. Its totient is φ = 148080666813468.

The previous prime is 222121000220179. The next prime is 222121000220227. The reversal of 222121000220211 is 112022000121222.

It is a happy number.

222121000220211 is a `hidden beast` number, since 2 + 2 + 21 + 210 + 0 + 0 + 220 + 211 = 666.

It is not a de Polignac number, because 222121000220211 - 2⁵ = 222121000220179 is a prime.

It is a super-2 number, since 2×222121000220211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222121000220111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12340055567781 + ... + 12340055567798.

It is an arithmetic number, because the mean of its divisors is an integer number (53473574127090).

Almost surely, 2^{222121000220211} is an apocalyptic number.

222121000220211 is a deficient number, since it is larger than the sum of its proper divisors (98720444542329).

222121000220211 is a wasteful number, since it uses less digits than its factorization.

222121000220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24680111135585 (or 24680111135582 counting only the distinct ones).

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

Adding to 222121000220211 its reverse (112022000121222), we get a palindrome (334143000341433).

The spelling of 222121000220211 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred twenty thousand, two hundred eleven".