221230202202200 has 24 divisors (see below), whose sum is σ = 514360220120580. Its totient is φ = 88492080880800.

The previous prime is 221230202202167. The next prime is 221230202202223. The reversal of 221230202202200 is 2202202032122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 553075505306 + ... + 553075505705.

Almost surely, 2^{221230202202200} is an apocalyptic number.

221230202202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221230202202200 is an abundant number, since it is smaller than the sum of its proper divisors (293130017918380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221230202202200 is a wasteful number, since it uses less digits than its factorization.

221230202202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106151011027 (or 1106151011018 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 221230202202200 its reverse (2202202032122), we get a palindrome (223432404234322).

The spelling of 221230202202200 in words is "two hundred twenty-one trillion, two hundred thirty billion, two hundred two million, two hundred two thousand, two hundred".