100021000122200 has 24 divisors (see below), whose sum is σ = 232548825284580. Its totient is φ = 40008400048800.

The previous prime is 100021000122161. The next prime is 100021000122217. The reversal of 100021000122200 is 2221000120001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 250052500106 + ... + 250052500505.

Almost surely, 2^{100021000122200} is an apocalyptic number.

100021000122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021000122200 is an abundant number, since it is smaller than the sum of its proper divisors (132527825162380).

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

100021000122200 is a wasteful number, since it uses less digits than its factorization.

100021000122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500105000627 (or 500105000618 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100021000122200 its reverse (2221000120001), we get a palindrome (102242000242201).

The spelling of 100021000122200 in words is "one hundred trillion, twenty-one billion, one hundred twenty-two thousand, two hundred".