222112120111213 has 2 divisors, whose sum is σ = 222112120111214. Its totient is φ = 222112120111212.

The previous prime is 222112120111177. The next prime is 222112120111303. The reversal of 222112120111213 is 312111021211222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111170938200169 + 110941181911044 = 10543763^2 + 10532862^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112120111213 - 2⁴⁵ = 186927748022381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112120111313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056060055606 + 111056060055607.

It is an arithmetic number, because the mean of its divisors is an integer number (111056060055607).

Almost surely, 2^{222112120111213} is an apocalyptic number.

It is an amenable number.

222112120111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112120111213 is an equidigital number, since it uses as much as digits as its factorization.

222112120111213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 222112120111213 its reverse (312111021211222), we get a palindrome (534223141322435).

The spelling of 222112120111213 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twenty million, one hundred eleven thousand, two hundred thirteen".