222012022211 has 8 divisors (see below), whose sum is σ = 259916514144. Its totient is φ = 185654652480.

The previous prime is 222012022181. The next prime is 222012022213. The reversal of 222012022211 is 112220210222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222012022211 - 2⁶ = 222012022147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222012022211.

It is not an unprimeable number, because it can be changed into a prime (222012022213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386780240 + ... + 386780813.

It is an arithmetic number, because the mean of its divisors is an integer number (32489564268).

Almost surely, 2^222012022211 is an apocalyptic number.

222012022211 is a deficient number, since it is larger than the sum of its proper divisors (37904491933).

222012022211 is an equidigital number, since it uses as much as digits as its factorization.

222012022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773561101.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222012022211 its reverse (112220210222), we get a palindrome (334232232433).

The spelling of 222012022211 in words is "two hundred twenty-two billion, twelve million, twenty-two thousand, two hundred eleven".