30120220113 has 4 divisors (see below), whose sum is σ = 40160293488. Its totient is φ = 20080146740.

The previous prime is 30120220061. The next prime is 30120220129. The reversal of 30120220113 is 31102202103.

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 30120220113 - 2⁹ = 30120219601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30120220092 and 30120220101.

It is not an unprimeable number, because it can be changed into a prime (30120220133) 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, 5020036683 + ... + 5020036688.

It is an arithmetic number, because the mean of its divisors is an integer number (10040073372).

Almost surely, 2^30120220113 is an apocalyptic number.

It is an amenable number.

30120220113 is a deficient number, since it is larger than the sum of its proper divisors (10040073375).

30120220113 is a wasteful number, since it uses less digits than its factorization.

30120220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040073374.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30120220113 its reverse (31102202103), we get a palindrome (61222422216).

The spelling of 30120220113 in words is "thirty billion, one hundred twenty million, two hundred twenty thousand, one hundred thirteen".