221303122100223 has 64 divisors (see below), whose sum is σ = 322172959680000. Its totient is φ = 134588883018240.

The previous prime is 221303122100213. The next prime is 221303122100251. The reversal of 221303122100223 is 322001221303122.

It is not a de Polignac number, because 221303122100223 - 2¹² = 221303122096127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221303122100193 and 221303122100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221303122100213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9401539788 + ... + 9401563326.

It is an arithmetic number, because the mean of its divisors is an integer number (5033952495000).

Almost surely, 2^{221303122100223} is an apocalyptic number.

221303122100223 is a deficient number, since it is larger than the sum of its proper divisors (100869837579777).

221303122100223 is a wasteful number, since it uses less digits than its factorization.

221303122100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38600.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 221303122100223 its reverse (322001221303122), we get a palindrome (543304343403345).

The spelling of 221303122100223 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred twenty-two million, one hundred thousand, two hundred twenty-three".