30332211121 has 4 divisors (see below), whose sum is σ = 32116458852. Its totient is φ = 28547963392.

The previous prime is 30332211103. The next prime is 30332211127. The reversal of 30332211121 is 12111223303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12111223303 = 14969 ⋅809087.

It can be written as a sum of positive squares in 2 ways, for example, as 23511928896 + 6820282225 = 153336^2 + 82585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30332211121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30332211127) 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, 892123840 + ... + 892123873.

It is an arithmetic number, because the mean of its divisors is an integer number (8029114713).

Almost surely, 2^30332211121 is an apocalyptic number.

It is an amenable number.

30332211121 is a deficient number, since it is larger than the sum of its proper divisors (1784247731).

30332211121 is a wasteful number, since it uses less digits than its factorization.

30332211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784247730.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30332211121 its reverse (12111223303), we get a palindrome (42443434424).

The spelling of 30332211121 in words is "thirty billion, three hundred thirty-two million, two hundred eleven thousand, one hundred twenty-one".