30300101021 has 16 divisors (see below), whose sum is σ = 32447235840. Its totient is φ = 28211016960.

The previous prime is 30300101017. The next prime is 30300101053. The reversal of 30300101021 is 12010100303.

It is a cyclic number.

It is not a de Polignac number, because 30300101021 - 2² = 30300101017 is a prime.

It is a super-2 number, since 2×30300101021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30300100993 and 30300101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300101081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350876 + ... + 428618.

It is an arithmetic number, because the mean of its divisors is an integer number (2027952240).

Almost surely, 2^30300101021 is an apocalyptic number.

It is an amenable number.

30300101021 is a deficient number, since it is larger than the sum of its proper divisors (2147134819).

30300101021 is a wasteful number, since it uses less digits than its factorization.

30300101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78116.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30300101021 its reverse (12010100303), we get a palindrome (42310201324).

The spelling of 30300101021 in words is "thirty billion, three hundred million, one hundred one thousand, twenty-one".