111213221300 has 36 divisors (see below), whose sum is σ = 243588159360. Its totient is φ = 44069533920.

The previous prime is 111213221299. The next prime is 111213221323. The reversal of 111213221300 is 3122312111.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5186180 + ... + 5207579.

It is an arithmetic number, because the mean of its divisors is an integer number (6766337760).

Almost surely, 2^111213221300 is an apocalyptic number.

111213221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111213221300 is an abundant number, since it is smaller than the sum of its proper divisors (132374938060).

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

111213221300 is a wasteful number, since it uses less digits than its factorization.

111213221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10393880 (or 10393873 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111213221300 its reverse (3122312111), we get a palindrome (114335533411).

The spelling of 111213221300 in words is "one hundred eleven billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred".