100221120120112 has 20 divisors (see below), whose sum is σ = 194209033454800. Its totient is φ = 50102659873728.

The previous prime is 100221120120109. The next prime is 100221120120131. The reversal of 100221120120112 is 211021021122001.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 3 ways as a sum of consecutive naturals, for example, 493656987 + ... + 493859962.

It is an arithmetic number, because the mean of its divisors is an integer number (9710451672740).

Almost surely, 2^{100221120120112} is an apocalyptic number.

It is an amenable number.

100221120120112 is a deficient number, since it is larger than the sum of its proper divisors (93987913334688).

100221120120112 is an equidigital number, since it uses as much as digits as its factorization.

100221120120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987523300 (or 987523294 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100221120120112 its reverse (211021021122001), we get a palindrome (311242141242113).

The spelling of 100221120120112 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, one hundred twelve".