30321211122 has 12 divisors (see below), whose sum is σ = 65695957470. Its totient is φ = 10107070368.

The previous prime is 30321211117. The next prime is 30321211159. The reversal of 30321211122 is 22111212303.

It can be written as a sum of positive squares in only one way, i.e., 21080426481 + 9240784641 = 145191^2 + 96129^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1684511729 = 30321211122 / (3 + 0 + 3 + 2 + 1 + 2 + 1 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 30321211095 and 30321211104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842255847 + ... + 842255882.

Almost surely, 2^30321211122 is an apocalyptic number.

30321211122 is an abundant number, since it is smaller than the sum of its proper divisors (35374746348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30321211122 is a wasteful number, since it uses less digits than its factorization.

30321211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684511737 (or 1684511734 counting only the distinct ones).

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

Adding to 30321211122 its reverse (22111212303), we get a palindrome (52432423425).

The spelling of 30321211122 in words is "thirty billion, three hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".