30013322121 has 10 divisors (see below), whose sum is σ = 44834715882. Its totient is φ = 20008881360.

The previous prime is 30013322093. The next prime is 30013322177. The reversal of 30013322121 is 12122331003.

It can be written as a sum of positive squares in only one way, i.e., 29133369225 + 879952896 = 170685^2 + 29664^2 .

It is not a de Polignac number, because 30013322121 - 2²⁶ = 29946213257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30013322094 and 30013322103.

It is not an unprimeable number, because it can be changed into a prime (30013322021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 185267340 + ... + 185267501.

Almost surely, 2^30013322121 is an apocalyptic number.

It is an amenable number.

30013322121 is a deficient number, since it is larger than the sum of its proper divisors (14821393761).

30013322121 is an equidigital number, since it uses as much as digits as its factorization.

30013322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370534853 (or 370534844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30013322121 its reverse (12122331003), we get a palindrome (42135653124).

The spelling of 30013322121 in words is "thirty billion, thirteen million, three hundred twenty-two thousand, one hundred twenty-one".