30113202020221 has 2 divisors, whose sum is σ = 30113202020222. Its totient is φ = 30113202020220.

The previous prime is 30113202020201. The next prime is 30113202020303. The reversal of 30113202020221 is 12202020231103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30043498628025 + 69703392196 = 5481195^2 + 264014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30113202020221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113202020201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056601010110 + 15056601010111.

It is an arithmetic number, because the mean of its divisors is an integer number (15056601010111).

Almost surely, 2^{30113202020221} is an apocalyptic number.

It is an amenable number.

30113202020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113202020221 is an equidigital number, since it uses as much as digits as its factorization.

30113202020221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30113202020221 its reverse (12202020231103), we get a palindrome (42315222251324).

The spelling of 30113202020221 in words is "thirty trillion, one hundred thirteen billion, two hundred two million, twenty thousand, two hundred twenty-one".