120201100112100 has 144 divisors (see below), whose sum is σ = 401400268488576. Its totient is φ = 27202512000000.

The previous prime is 120201100112081. The next prime is 120201100112123. The reversal of 120201100112100 is 1211001102021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283147401 + ... + 283571600.

It is an arithmetic number, because the mean of its divisors is an integer number (2787501864504).

Almost surely, 2^{120201100112100} is an apocalyptic number.

120201100112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201100112100 is an abundant number, since it is smaller than the sum of its proper divisors (281199168376476).

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

120201100112100 is a wasteful number, since it uses less digits than its factorization.

120201100112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566719126 (or 566719119 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120201100112100 its reverse (1211001102021), we get a palindrome (121412101214121).

The spelling of 120201100112100 in words is "one hundred twenty trillion, two hundred one billion, one hundred million, one hundred twelve thousand, one hundred".