120111102200100 has 144 divisors (see below), whose sum is σ = 399067700532480. Its totient is φ = 27585324892800.

The previous prime is 120111102200093. The next prime is 120111102200189. The reversal of 120111102200100 is 1002201111021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 957761082 + ... + 957886481.

It is an arithmetic number, because the mean of its divisors is an integer number (2771303475920).

Almost surely, 2^{120111102200100} is an apocalyptic number.

120111102200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111102200100 is an abundant number, since it is smaller than the sum of its proper divisors (278956598332380).

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

120111102200100 is a wasteful number, since it uses less digits than its factorization.

120111102200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915647610 (or 1915647603 counting only the distinct ones).

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

Adding to 120111102200100 its reverse (1002201111021), we get a palindrome (121113303311121).

The spelling of 120111102200100 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred two million, two hundred thousand, one hundred".