120011200100 has 108 divisors (see below), whose sum is σ = 286545399504. Its totient is φ = 43595640000.

The previous prime is 120011200087. The next prime is 120011200109. The reversal of 120011200100 is 1002110021.

It is not an unprimeable number, because it can be changed into a prime (120011200109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13196555 + ... + 13205645.

Almost surely, 2^120011200100 is an apocalyptic number.

120011200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120011200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143272699752).

120011200100 is an abundant number, since it is smaller than the sum of its proper divisors (166534199404).

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

120011200100 is a wasteful number, since it uses less digits than its factorization.

120011200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10218 (or 10200 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120011200100 its reverse (1002110021), we get a palindrome (121013310121).

It can be divided in two parts, 12001 and 1200100, that multiplied together give a square (14402400100 = 120010²).

The spelling of 120011200100 in words is "one hundred twenty billion, eleven million, two hundred thousand, one hundred".