30122122113 has 12 divisors (see below), whose sum is σ = 43531202260. Its totient is φ = 20071505376.

The previous prime is 30122122103. The next prime is 30122122127. The reversal of 30122122113 is 31122122103.

It can be written as a sum of positive squares in 2 ways, for example, as 28043856369 + 2078265744 = 167463^2 + 45588^2 .

It is not a de Polignac number, because 30122122113 - 2⁴ = 30122122097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122122103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806506 + ... + 843027.

Almost surely, 2^30122122113 is an apocalyptic number.

It is an amenable number.

30122122113 is a deficient number, since it is larger than the sum of its proper divisors (13409080147).

30122122113 is a wasteful number, since it uses less digits than its factorization.

30122122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651568 (or 1651565 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30122122113 its reverse (31122122103), we get a palindrome (61244244216).

The spelling of 30122122113 in words is "thirty billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred thirteen".