30201020331021 has 24 divisors (see below), whose sum is σ = 45031237445376. Its totient is φ = 19484388443520.

The previous prime is 30201020330993. The next prime is 30201020331029. The reversal of 30201020331021 is 12013302010203.

30201020331021 is a `hidden beast` number, since 302 + 0 + 10 + 2 + 0 + 331 + 0 + 21 = 666.

It is not a de Polignac number, because 30201020331021 - 2¹⁴ = 30201020314637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30201020330985 and 30201020331003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201020331029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49816306 + ... + 50418908.

It is an arithmetic number, because the mean of its divisors is an integer number (1876301560224).

Almost surely, 2^{30201020331021} is an apocalyptic number.

30201020331021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30201020331021 is a deficient number, since it is larger than the sum of its proper divisors (14830217114355).

30201020331021 is a wasteful number, since it uses less digits than its factorization.

30201020331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782273 (or 782270 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30201020331021 its reverse (12013302010203), we get a palindrome (42214322341224).

The spelling of 30201020331021 in words is "thirty trillion, two hundred one billion, twenty million, three hundred thirty-one thousand, twenty-one".