100142442200 has 48 divisors (see below), whose sum is σ = 233118647160. Its totient is φ = 40007520000.

The previous prime is 100142442199. The next prime is 100142442269. The reversal of 100142442200 is 2244241001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146501 + ... + 470900.

Almost surely, 2^100142442200 is an apocalyptic number.

100142442200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100142442200 is an abundant number, since it is smaller than the sum of its proper divisors (132976204960).

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

100142442200 is a wasteful number, since it uses less digits than its factorization.

100142442200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618228 (or 618219 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100142442200 its reverse (2244241001), we get a palindrome (102386683201).

The spelling of 100142442200 in words is "one hundred billion, one hundred forty-two million, four hundred forty-two thousand, two hundred".