221222110030 has 32 divisors (see below), whose sum is σ = 415854782784. Its totient is φ = 84571846656.

The previous prime is 221222110013. The next prime is 221222110079. The reversal of 221222110030 is 30011222122.

It is a happy number.

221222110030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221222110030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221222109986 and 221222110013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115257 + ... + 675076.

It is an arithmetic number, because the mean of its divisors is an integer number (12995461962).

Almost surely, 2^221222110030 is an apocalyptic number.

221222110030 is a deficient number, since it is larger than the sum of its proper divisors (194632672754).

221222110030 is a wasteful number, since it uses less digits than its factorization.

221222110030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791580.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221222110030 its reverse (30011222122), we get a palindrome (251233332152).

The spelling of 221222110030 in words is "two hundred twenty-one billion, two hundred twenty-two million, one hundred ten thousand, thirty".