111108888900 has 243 divisors, whose sum is σ = 358288154679. Its totient is φ = 28799712000.

The previous prime is 111108888887. The next prime is 111108888901. The reversal of 111108888900 is 9888801111.

The square root of 111108888900 is 333330.

It is a perfect power (a square), and thus also a powerful number.

111108888900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46767522564 + 64341366336 = 216258^2 + 253656^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (111108888901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 409995765 + ... + 409996035.

Almost surely, 2^111108888900 is an apocalyptic number.

111108888900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111108888900 is the 333330-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111108888900

111108888900 is an abundant number, since it is smaller than the sum of its proper divisors (247179265779).

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

111108888900 is a wasteful number, since it uses less digits than its factorization.

111108888900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 45.

The spelling of 111108888900 in words is "one hundred eleven billion, one hundred eight million, eight hundred eighty-eight thousand, nine hundred".