100120211200 has 108 divisors (see below), whose sum is σ = 260856281560. Its totient is φ = 37940244480.

The previous prime is 100120211083. The next prime is 100120211227. The reversal of 100120211200 is 2112021001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290079 + ... + 533278.

Almost surely, 2^100120211200 is an apocalyptic number.

100120211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120211200 is an abundant number, since it is smaller than the sum of its proper divisors (160736070360).

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

100120211200 is an equidigital number, since it uses as much as digits as its factorization.

100120211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823402 (or 823383 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100120211200 its reverse (2112021001), we get a palindrome (102232232201).

The spelling of 100120211200 in words is "one hundred billion, one hundred twenty million, two hundred eleven thousand, two hundred".