30120333101 has 4 divisors (see below), whose sum is σ = 30458763900. Its totient is φ = 29781902304.

The previous prime is 30120333041. The next prime is 30120333107. The reversal of 30120333101 is 10133302103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8602377001 + 21517956100 = 92749^2 + 146690^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120333101 - 2⁶ = 30120333037 is a prime.

It is a super-2 number, since 2×30120333101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30120333101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120333107) 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, 169215266 + ... + 169215443.

It is an arithmetic number, because the mean of its divisors is an integer number (7614690975).

Almost surely, 2^30120333101 is an apocalyptic number.

It is an amenable number.

30120333101 is a deficient number, since it is larger than the sum of its proper divisors (338430799).

30120333101 is an equidigital number, since it uses as much as digits as its factorization.

30120333101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338430798.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30120333101 its reverse (10133302103), we get a palindrome (40253635204).

The spelling of 30120333101 in words is "thirty billion, one hundred twenty million, three hundred thirty-three thousand, one hundred one".