72222203111213 has 2 divisors, whose sum is σ = 72222203111214. Its totient is φ = 72222203111212.

The previous prime is 72222203111197. The next prime is 72222203111237. The reversal of 72222203111213 is 31211130222227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56434756462249 + 15787446648964 = 7512307^2 + 3973342^2 .

It is an emirp because it is prime and its reverse (31211130222227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72222203111213 - 2⁴ = 72222203111197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72222203111293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36111101555606 + 36111101555607.

It is an arithmetic number, because the mean of its divisors is an integer number (36111101555607).

Almost surely, 2^{72222203111213} is an apocalyptic number.

It is an amenable number.

72222203111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

72222203111213 is an equidigital number, since it uses as much as digits as its factorization.

72222203111213 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 29.

The spelling of 72222203111213 in words is "seventy-two trillion, two hundred twenty-two billion, two hundred three million, one hundred eleven thousand, two hundred thirteen".