111243041300 has 72 divisors (see below), whose sum is σ = 246285903360. Its totient is φ = 43603084800.

The previous prime is 111243041291. The next prime is 111243041341. The reversal of 111243041300 is 3140342111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1236236 + ... + 1323164.

Almost surely, 2^111243041300 is an apocalyptic number.

111243041300 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 111243041300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123142951680).

111243041300 is an abundant number, since it is smaller than the sum of its proper divisors (135042862060).

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

111243041300 is a wasteful number, since it uses less digits than its factorization.

111243041300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87201 (or 87194 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111243041300 its reverse (3140342111), we get a palindrome (114383383411).

The spelling of 111243041300 in words is "one hundred eleven billion, two hundred forty-three million, forty-one thousand, three hundred".