30033322121 has 4 divisors (see below), whose sum is σ = 32763624144. Its totient is φ = 27303020100.

The previous prime is 30033322057. The next prime is 30033322129. The reversal of 30033322121 is 12122333003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30033322121 - 2⁶ = 30033322057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30033322093 and 30033322102.

It is not an unprimeable number, because it can be changed into a prime (30033322129) 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, 1365150995 + ... + 1365151016.

It is an arithmetic number, because the mean of its divisors is an integer number (8190906036).

Almost surely, 2^30033322121 is an apocalyptic number.

It is an amenable number.

30033322121 is a deficient number, since it is larger than the sum of its proper divisors (2730302023).

30033322121 is a wasteful number, since it uses less digits than its factorization.

30033322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730302022.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30033322121 its reverse (12122333003), we get a palindrome (42155655124).

The spelling of 30033322121 in words is "thirty billion, thirty-three million, three hundred twenty-two thousand, one hundred twenty-one".