100021122300 has 144 divisors (see below), whose sum is σ = 317823408000. Its totient is φ = 24084691200.

The previous prime is 100021122283. The next prime is 100021122317. The reversal of 100021122300 is 3221120001.

It is an interprime number because it is at equal distance from previous prime (100021122283) and next prime (100021122317).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389991 + ... + 593409.

It is an arithmetic number, because the mean of its divisors is an integer number (2207107000).

Almost surely, 2^100021122300 is an apocalyptic number.

100021122300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100021122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158911704000).

100021122300 is an abundant number, since it is smaller than the sum of its proper divisors (217802285700).

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

100021122300 is a wasteful number, since it uses less digits than its factorization.

100021122300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203596 (or 203589 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100021122300 its reverse (3221120001), we get a palindrome (103242242301).

The spelling of 100021122300 in words is "one hundred billion, twenty-one million, one hundred twenty-two thousand, three hundred".