221223033110312 has 16 divisors (see below), whose sum is σ = 415887628214400. Its totient is φ = 110319665586480.

The previous prime is 221223033110297. The next prime is 221223033110329. The reversal of 221223033110312 is 213011330322122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36481367864 + ... + 36481373927.

It is an arithmetic number, because the mean of its divisors is an integer number (25992976763400).

Almost surely, 2^{221223033110312} is an apocalyptic number.

It is an amenable number.

221223033110312 is a deficient number, since it is larger than the sum of its proper divisors (194664595104088).

221223033110312 is a wasteful number, since it uses less digits than its factorization.

221223033110312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72962742176 (or 72962742172 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221223033110312 its reverse (213011330322122), we get a palindrome (434234363432434).

The spelling of 221223033110312 in words is "two hundred twenty-one trillion, two hundred twenty-three billion, thirty-three million, one hundred ten thousand, three hundred twelve".