30300200321021 has 4 divisors (see below), whose sum is σ = 30300226921500. Its totient is φ = 30300173720544.

The previous prime is 30300200320967. The next prime is 30300200321159. The reversal of 30300200321021 is 12012300200303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17571438748900 + 12728761572121 = 4191830^2 + 3567739^2 .

It is a cyclic number.

It is not a de Polignac number, because 30300200321021 - 2¹⁴ = 30300200304637 is a prime.

It is a super-2 number, since 2×30300200321021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300200327021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11511416 + ... + 13896513.

It is an arithmetic number, because the mean of its divisors is an integer number (7575056730375).

Almost surely, 2^{30300200321021} is an apocalyptic number.

It is an amenable number.

30300200321021 is a deficient number, since it is larger than the sum of its proper divisors (26600479).

30300200321021 is a wasteful number, since it uses less digits than its factorization.

30300200321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26600478.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30300200321021 its reverse (12012300200303), we get a palindrome (42312500521324).

The spelling of 30300200321021 in words is "thirty trillion, three hundred billion, two hundred million, three hundred twenty-one thousand, twenty-one".