202200221210100 has 72 divisors (see below), whose sum is σ = 585034139689440. Its totient is φ = 53919920772480.

The previous prime is 202200221210059. The next prime is 202200221210107. The reversal of 202200221210100 is 1012122002202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202200221210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200221210107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177954379 + ... + 179087021.

Almost surely, 2^{202200221210100} is an apocalyptic number.

202200221210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202200221210100 is an abundant number, since it is smaller than the sum of its proper divisors (382833918479340).

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

202200221210100 is a wasteful number, since it uses less digits than its factorization.

202200221210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727729 (or 1727722 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202200221210100 its reverse (1012122002202), we get a palindrome (203212343212302).

The spelling of 202200221210100 in words is "two hundred two trillion, two hundred billion, two hundred twenty-one million, two hundred ten thousand, one hundred".