30230020121 has 4 divisors (see below), whose sum is σ = 34548594432. Its totient is φ = 25911445812.

The previous prime is 30230020103. The next prime is 30230020199. The reversal of 30230020121 is 12102003203.

It is a happy number.

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 not a de Polignac number, because 30230020121 - 2²⁶ = 30162911257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30230020096 and 30230020105.

It is not an unprimeable number, because it can be changed into a prime (30230020021) 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, 2159287145 + ... + 2159287158.

It is an arithmetic number, because the mean of its divisors is an integer number (8637148608).

Almost surely, 2^30230020121 is an apocalyptic number.

It is an amenable number.

30230020121 is a deficient number, since it is larger than the sum of its proper divisors (4318574311).

30230020121 is an equidigital number, since it uses as much as digits as its factorization.

30230020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318574310.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30230020121 its reverse (12102003203), we get a palindrome (42332023324).

The spelling of 30230020121 in words is "thirty billion, two hundred thirty million, twenty thousand, one hundred twenty-one".