111321100200000 has 168 divisors, whose sum is σ = 368147786033664. Its totient is φ = 29685626560000.

The previous prime is 111321100199983. The next prime is 111321100200019. The reversal of 111321100200000 is 2001123111.

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 23 ways as a sum of consecutive naturals, for example, 92167584 + ... + 93367583.

It is an arithmetic number, because the mean of its divisors is an integer number (2191355869248).

Almost surely, 2^{111321100200000} is an apocalyptic number.

111321100200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111321100200000 is an abundant number, since it is smaller than the sum of its proper divisors (256826685833664).

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

111321100200000 is an frugal number, since it uses more digits than its factorization.

111321100200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185535207 (or 185535177 counting only the distinct ones).

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

Adding to 111321100200000 its reverse (2001123111), we get a palindrome (111323101323111).

The spelling of 111321100200000 in words is "one hundred eleven trillion, three hundred twenty-one billion, one hundred million, two hundred thousand".