30220322121 has 24 divisors (see below), whose sum is σ = 48518398656. Its totient is φ = 17969771040.

The previous prime is 30220322089. The next prime is 30220322123. The reversal of 30220322121 is 12122302203.

30220322121 is a `hidden beast` number, since 3 + 0 + 220 + 322 + 121 = 666.

It is not a de Polignac number, because 30220322121 - 2⁵ = 30220322089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30220322094 and 30220322103.

It is not an unprimeable number, because it can be changed into a prime (30220322123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2874525 + ... + 2885018.

It is an arithmetic number, because the mean of its divisors is an integer number (2021599944).

Almost surely, 2^30220322121 is an apocalyptic number.

It is an amenable number.

30220322121 is a deficient number, since it is larger than the sum of its proper divisors (18298076535).

30220322121 is a wasteful number, since it uses less digits than its factorization.

30220322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759613 (or 5759610 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30220322121 its reverse (12122302203), we get a palindrome (42342624324).

The spelling of 30220322121 in words is "thirty billion, two hundred twenty million, three hundred twenty-two thousand, one hundred twenty-one".