222121019227 has 2 divisors, whose sum is σ = 222121019228. Its totient is φ = 222121019226.

The previous prime is 222121019213. The next prime is 222121019249. The reversal of 222121019227 is 722910121222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222121019227 is a prime.

It is not a weakly prime, because it can be changed into another prime (222121019027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060509613 + 111060509614.

It is an arithmetic number, because the mean of its divisors is an integer number (111060509614).

Almost surely, 2^222121019227 is an apocalyptic number.

222121019227 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121019227 is an equidigital number, since it uses as much as digits as its factorization.

222121019227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 222121019227 in words is "two hundred twenty-two billion, one hundred twenty-one million, nineteen thousand, two hundred twenty-seven".