221033202002 has 4 divisors (see below), whose sum is σ = 331549803006. Its totient is φ = 110516601000.

The previous prime is 221033202001. The next prime is 221033202011. The reversal of 221033202002 is 200202330122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 193354557841 + 27678644161 = 439721^2 + 166369^2 .

It is not an unprimeable number, because it can be changed into a prime (221033202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55258300499 + ... + 55258300502.

Almost surely, 2^221033202002 is an apocalyptic number.

221033202002 is a deficient number, since it is larger than the sum of its proper divisors (110516601004).

221033202002 is a wasteful number, since it uses less digits than its factorization.

221033202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110516601003.

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

Adding to 221033202002 its reverse (200202330122), we get a palindrome (421235532124).

The spelling of 221033202002 in words is "two hundred twenty-one billion, thirty-three million, two hundred two thousand, two".