30322220121 has 6 divisors (see below), whose sum is σ = 43798762410. Its totient is φ = 20214813408.

The previous prime is 30322220111. The next prime is 30322220129. The reversal of 30322220121 is 12102222303.

30322220121 is a `hidden beast` number, since 3 + 0 + 322 + 220 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22811571225 + 7510648896 = 151035^2 + 86664^2 .

It is not a de Polignac number, because 30322220121 - 2¹⁰ = 30322219097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30322220094 and 30322220103.

It is not an unprimeable number, because it can be changed into a prime (30322220129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684567776 + ... + 1684567793.

It is an arithmetic number, because the mean of its divisors is an integer number (7299793735).

Almost surely, 2^30322220121 is an apocalyptic number.

It is an amenable number.

30322220121 is a deficient number, since it is larger than the sum of its proper divisors (13476542289).

30322220121 is a wasteful number, since it uses less digits than its factorization.

30322220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369135575 (or 3369135572 counting only the distinct ones).

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

Adding to 30322220121 its reverse (12102222303), we get a palindrome (42424442424).

The spelling of 30322220121 in words is "thirty billion, three hundred twenty-two million, two hundred twenty thousand, one hundred twenty-one".