30202112220989 has 2 divisors, whose sum is σ = 30202112220990. Its totient is φ = 30202112220988.

The previous prime is 30202112220977. The next prime is 30202112221091. The reversal of 30202112220989 is 98902221120203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28625977605625 + 1576134615364 = 5350325^2 + 1255442^2 .

It is a cyclic number.

It is not a de Polignac number, because 30202112220989 - 2⁸ = 30202112220733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30202112210989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101056110494 + 15101056110495.

It is an arithmetic number, because the mean of its divisors is an integer number (15101056110495).

Almost surely, 2^{30202112220989} is an apocalyptic number.

It is an amenable number.

30202112220989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202112220989 is an equidigital number, since it uses as much as digits as its factorization.

30202112220989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 30202112220989 in words is "thirty trillion, two hundred two billion, one hundred twelve million, two hundred twenty thousand, nine hundred eighty-nine".