30201013021 has 2 divisors, whose sum is σ = 30201013022. Its totient is φ = 30201013020.

The previous prime is 30201012971. The next prime is 30201013027. The reversal of 30201013021 is 12031010203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28002340921 + 2198672100 = 167339^2 + 46890^2 .

It is an emirp because it is prime and its reverse (12031010203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30201013021 - 2¹³ = 30201004829 is a prime.

It is a super-2 number, since 2×30201013021² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201012992 and 30201013010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30201013027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100506510 + 15100506511.

It is an arithmetic number, because the mean of its divisors is an integer number (15100506511).

Almost surely, 2^30201013021 is an apocalyptic number.

It is an amenable number.

30201013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30201013021 is an equidigital number, since it uses as much as digits as its factorization.

30201013021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30201013021 its reverse (12031010203), we get a palindrome (42232023224).

The spelling of 30201013021 in words is "thirty billion, two hundred one million, thirteen thousand, twenty-one".