111120201112100 has 144 divisors (see below), whose sum is σ = 244964712504960. Its totient is φ = 43743688934400.

The previous prime is 111120201112097. The next prime is 111120201112183. The reversal of 111120201112100 is 1211102021111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10624356671 + ... + 10624367129.

It is an arithmetic number, because the mean of its divisors is an integer number (1701143836840).

Almost surely, 2^{111120201112100} is an apocalyptic number.

111120201112100 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 111120201112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122482356252480).

111120201112100 is an abundant number, since it is smaller than the sum of its proper divisors (133844511392860).

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

111120201112100 is a wasteful number, since it uses less digits than its factorization.

111120201112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13078 (or 13071 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111120201112100 its reverse (1211102021111), we get a palindrome (112331303133211).

The spelling of 111120201112100 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred one million, one hundred twelve thousand, one hundred".