120112110002100 has 144 divisors (see below), whose sum is σ = 359280615430016. Its totient is φ = 30957837120000.

The previous prime is 120112110002083. The next prime is 120112110002107. The reversal of 120112110002100 is 1200011211021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112110002107) by changing a digit.

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, 34154731 + ... + 37506930.

Almost surely, 2^{120112110002100} is an apocalyptic number.

120112110002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112110002100 is an abundant number, since it is smaller than the sum of its proper divisors (239168505427916).

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

120112110002100 is a wasteful number, since it uses less digits than its factorization.

120112110002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71661866 (or 71661859 counting only the distinct ones).

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

Adding to 120112110002100 its reverse (1200011211021), we get a palindrome (121312121213121).

The spelling of 120112110002100 in words is "one hundred twenty trillion, one hundred twelve billion, one hundred ten million, two thousand, one hundred".