30221102203213 has 2 divisors, whose sum is σ = 30221102203214. Its totient is φ = 30221102203212.

The previous prime is 30221102203157. The next prime is 30221102203261. The reversal of 30221102203213 is 31230220112203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18308788381129 + 11912313822084 = 4278877^2 + 3451422^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221102203213 - 2²⁵ = 30221068648781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221102203273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110551101606 + 15110551101607.

It is an arithmetic number, because the mean of its divisors is an integer number (15110551101607).

Almost surely, 2^{30221102203213} is an apocalyptic number.

It is an amenable number.

30221102203213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221102203213 is an equidigital number, since it uses as much as digits as its factorization.

30221102203213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30221102203213 its reverse (31230220112203), we get a palindrome (61451322315416).

The spelling of 30221102203213 in words is "thirty trillion, two hundred twenty-one billion, one hundred two million, two hundred three thousand, two hundred thirteen".