222001012211 has 4 divisors (see below), whose sum is σ = 242182922424. Its totient is φ = 201819102000.

The previous prime is 222001012201. The next prime is 222001012223. The reversal of 222001012211 is 112210100222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222001012211 - 2⁶ = 222001012147 is a prime.

It is a super-2 number, since 2×222001012211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001012201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10090955090 + ... + 10090955111.

It is an arithmetic number, because the mean of its divisors is an integer number (60545730606).

Almost surely, 2^222001012211 is an apocalyptic number.

222001012211 is a deficient number, since it is larger than the sum of its proper divisors (20181910213).

222001012211 is a wasteful number, since it uses less digits than its factorization.

222001012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181910212.

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

Adding to 222001012211 its reverse (112210100222), we get a palindrome (334211112433).

The spelling of 222001012211 in words is "two hundred twenty-two billion, one million, twelve thousand, two hundred eleven".