221323000202 has 16 divisors (see below), whose sum is σ = 349726053600. Its totient is φ = 104756605200.

The previous prime is 221323000201. The next prime is 221323000211. The reversal of 221323000202 is 202000323122.

It is not an unprimeable number, because it can be changed into a prime (221323000201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188952 + ... + 2287827.

It is an arithmetic number, because the mean of its divisors is an integer number (21857878350).

Almost surely, 2^221323000202 is an apocalyptic number.

221323000202 is a deficient number, since it is larger than the sum of its proper divisors (128403053398).

221323000202 is a wasteful number, since it uses less digits than its factorization.

221323000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478101.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 221323000202 its reverse (202000323122), we get a palindrome (423323323324).

The spelling of 221323000202 in words is "two hundred twenty-one billion, three hundred twenty-three million, two hundred two", and thus it is an aban number.