30220121223 has 16 divisors (see below), whose sum is σ = 44789833440. Its totient is φ = 20138069952.

The previous prime is 30220121171. The next prime is 30220121233. The reversal of 30220121223 is 32212102203.

30220121223 is a `hidden beast` number, since 302 + 20 + 121 + 223 = 666.

It is not a de Polignac number, because 30220121223 - 2¹⁶ = 30220055687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30220121196 and 30220121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220121233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176886 + ... + 302867.

It is an arithmetic number, because the mean of its divisors is an integer number (2799364590).

Almost surely, 2^30220121223 is an apocalyptic number.

30220121223 is a deficient number, since it is larger than the sum of its proper divisors (14569712217).

30220121223 is a wasteful number, since it uses less digits than its factorization.

30220121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482095 (or 482089 counting only the distinct ones).

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

Adding to 30220121223 its reverse (32212102203), we get a palindrome (62432223426).

The spelling of 30220121223 in words is "thirty billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twenty-three".