221322030122 has 32 divisors (see below), whose sum is σ = 341542306560. Its totient is φ = 107524091520.

The previous prime is 221322030113. The next prime is 221322030191. The reversal of 221322030122 is 221030223122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221322030094 and 221322030103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5117963 + ... + 5161025.

It is an arithmetic number, because the mean of its divisors is an integer number (10673197080).

Almost surely, 2^221322030122 is an apocalyptic number.

221322030122 is a deficient number, since it is larger than the sum of its proper divisors (120220276438).

221322030122 is a wasteful number, since it uses less digits than its factorization.

221322030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43638.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221322030122 its reverse (221030223122), we get a palindrome (442352253244).

The spelling of 221322030122 in words is "two hundred twenty-one billion, three hundred twenty-two million, thirty thousand, one hundred twenty-two".