222112102121213 has 2 divisors, whose sum is σ = 222112102121214. Its totient is φ = 222112102121212.

The previous prime is 222112102121177. The next prime is 222112102121267. The reversal of 222112102121213 is 312121201211222.

222112102121213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208786952089444 + 13325150031769 = 14449462^2 + 3650363^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112102121213 - 2³⁴ = 222094922252029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112102121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056051060606 + 111056051060607.

It is an arithmetic number, because the mean of its divisors is an integer number (111056051060607).

Almost surely, 2^{222112102121213} is an apocalyptic number.

It is an amenable number.

222112102121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112102121213 is an equidigital number, since it uses as much as digits as its factorization.

222112102121213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 222112102121213 its reverse (312121201211222), we get a palindrome (534233303332435).

Subtracting 222112102121213 from its reverse (312121201211222), we obtain a palindrome (90009099090009).

The spelling of 222112102121213 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred thirteen".