111421113124200 has 576 divisors, whose sum is σ = 397418699289600. Its totient is φ = 25539247180800.

The previous prime is 111421113124183. The next prime is 111421113124253. The reversal of 111421113124200 is 2421311124111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 74930135857 + ... + 74930137343.

It is an arithmetic number, because the mean of its divisors is an integer number (689963019600).

Almost surely, 2^{111421113124200} is an apocalyptic number.

111421113124200 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 111421113124200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198709349644800).

111421113124200 is an abundant number, since it is smaller than the sum of its proper divisors (285997586165400).

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

111421113124200 is a wasteful number, since it uses less digits than its factorization.

111421113124200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 111421113124200 its reverse (2421311124111), we get a palindrome (113842424248311).

The spelling of 111421113124200 in words is "one hundred eleven trillion, four hundred twenty-one billion, one hundred thirteen million, one hundred twenty-four thousand, two hundred".