202200221221100 has 36 divisors (see below), whose sum is σ = 438780417433008. Its totient is φ = 80878994040000.

The previous prime is 202200221221067. The next prime is 202200221221121. The reversal of 202200221221100 is 1122122002202.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 6233456 + ... + 21053655.

Almost surely, 2^{202200221221100} is an apocalyptic number.

202200221221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202200221221100 is an abundant number, since it is smaller than the sum of its proper divisors (236580196211908).

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

202200221221100 is a wasteful number, since it uses less digits than its factorization.

202200221221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27361226 (or 27361219 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202200221221100 its reverse (1122122002202), we get a palindrome (203322343223302).

The spelling of 202200221221100 in words is "two hundred two trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred".