102300130021 has 4 divisors (see below), whose sum is σ = 103532661792. Its totient is φ = 101067598252.

The previous prime is 102300130003. The next prime is 102300130033. The reversal of 102300130021 is 120031003201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102300130021 - 2²⁹ = 101763259109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102300129983 and 102300130010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102300130061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616265761 + ... + 616265926.

It is an arithmetic number, because the mean of its divisors is an integer number (25883165448).

Almost surely, 2^102300130021 is an apocalyptic number.

It is an amenable number.

102300130021 is a deficient number, since it is larger than the sum of its proper divisors (1232531771).

102300130021 is an equidigital number, since it uses as much as digits as its factorization.

102300130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232531770.

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

Adding to 102300130021 its reverse (120031003201), we get a palindrome (222331133222).

The spelling of 102300130021 in words is "one hundred two billion, three hundred million, one hundred thirty thousand, twenty-one".