222122010211 has 4 divisors (see below), whose sum is σ = 222567145000. Its totient is φ = 221676875424.

The previous prime is 222122010193. The next prime is 222122010269. The reversal of 222122010211 is 112010221222.

It is a happy number.

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 222122010211 - 2⁵ = 222122010179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122010281) 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, 222566646 + ... + 222567643.

It is an arithmetic number, because the mean of its divisors is an integer number (55641786250).

Almost surely, 2^222122010211 is an apocalyptic number.

222122010211 is a deficient number, since it is larger than the sum of its proper divisors (445134789).

222122010211 is an equidigital number, since it uses as much as digits as its factorization.

222122010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445134788.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222122010211 its reverse (112010221222), we get a palindrome (334132231433).

The spelling of 222122010211 in words is "two hundred twenty-two billion, one hundred twenty-two million, ten thousand, two hundred eleven".