30221022901 has 2 divisors, whose sum is σ = 30221022902. Its totient is φ = 30221022900.

The previous prime is 30221022883. The next prime is 30221023003. The reversal of 30221022901 is 10922012203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30196012900 + 25010001 = 173770^2 + 5001^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221022901 - 2⁹ = 30221022389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110511450 + 15110511451.

It is an arithmetic number, because the mean of its divisors is an integer number (15110511451).

Almost surely, 2^30221022901 is an apocalyptic number.

It is an amenable number.

30221022901 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221022901 is an equidigital number, since it uses as much as digits as its factorization.

30221022901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 30221022901 in words is "thirty billion, two hundred twenty-one million, twenty-two thousand, nine hundred one".