100243222002 has 160 divisors (see below), whose sum is σ = 280863728640. Its totient is φ = 25961044320.

The previous prime is 100243221997. The next prime is 100243222033. The reversal of 100243222002 is 200222342001.

100243222002 is a `hidden beast` number, since 10 + 0 + 2 + 432 + 220 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 79 ways as a sum of consecutive naturals, for example, 4316899 + ... + 4340057.

It is an arithmetic number, because the mean of its divisors is an integer number (1755398304).

Almost surely, 2^100243222002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100243222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140431864320).

100243222002 is an abundant number, since it is smaller than the sum of its proper divisors (180620506638).

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

100243222002 is a wasteful number, since it uses less digits than its factorization.

100243222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23538 (or 23529 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 100243222002 its reverse (200222342001), we get a palindrome (300465564003).

The spelling of 100243222002 in words is "one hundred billion, two hundred forty-three million, two hundred twenty-two thousand, two".