221030223122 has 8 divisors (see below), whose sum is σ = 348995089200. Its totient is φ = 104698526724.

The previous prime is 221030223119. The next prime is 221030223131. The reversal of 221030223122 is 221322030122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221030223122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221030223094 and 221030223103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908292372 + ... + 2908292447.

It is an arithmetic number, because the mean of its divisors is an integer number (43624386150).

Almost surely, 2^221030223122 is an apocalyptic number.

221030223122 is a deficient number, since it is larger than the sum of its proper divisors (127964866078).

221030223122 is a wasteful number, since it uses less digits than its factorization.

221030223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816584840.

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

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

The spelling of 221030223122 in words is "two hundred twenty-one billion, thirty million, two hundred twenty-three thousand, one hundred twenty-two".