30020113121 has 8 divisors (see below), whose sum is σ = 30834772584. Its totient is φ = 29209380480.

The previous prime is 30020113087. The next prime is 30020113129. The reversal of 30020113121 is 12131102003.

It can be written as a sum of positive squares in 4 ways, for example, as 7287012496 + 22733100625 = 85364^2 + 150775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30020113121 - 2¹⁴ = 30020096737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30020113096 and 30020113105.

It is not an unprimeable number, because it can be changed into a prime (30020113129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966206 + ... + 996791.

It is an arithmetic number, because the mean of its divisors is an integer number (3854346573).

Almost surely, 2^30020113121 is an apocalyptic number.

It is an amenable number.

30020113121 is a deficient number, since it is larger than the sum of its proper divisors (814659463).

30020113121 is a wasteful number, since it uses less digits than its factorization.

30020113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963411.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30020113121 its reverse (12131102003), we get a palindrome (42151215124).

The spelling of 30020113121 in words is "thirty billion, twenty million, one hundred thirteen thousand, one hundred twenty-one".