222010211211 has 4 divisors (see below), whose sum is σ = 296013614952. Its totient is φ = 148006807472.

The previous prime is 222010211153. The next prime is 222010211233. The reversal of 222010211211 is 112112010222.

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 222010211211 - 2²² = 222006016907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222010211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37001701866 + ... + 37001701871.

It is an arithmetic number, because the mean of its divisors is an integer number (74003403738).

Almost surely, 2^222010211211 is an apocalyptic number.

222010211211 is a deficient number, since it is larger than the sum of its proper divisors (74003403741).

222010211211 is an equidigital number, since it uses as much as digits as its factorization.

222010211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74003403740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222010211211 its reverse (112112010222), we get a palindrome (334122221433).

The spelling of 222010211211 in words is "two hundred twenty-two billion, ten million, two hundred eleven thousand, two hundred eleven".