111200231000000 has 196 divisors, whose sum is σ = 277254794530704. Its totient is φ = 44249548800000.

The previous prime is 111200230999967. The next prime is 111200231000009. The reversal of 111200231000000 is 132002111.

It is a super-2 number, since 2×111200231000000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200231000009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 192711917 + ... + 193288083.

Almost surely, 2^{111200231000000} is an apocalyptic number.

111200231000000 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 111200231000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138627397265352).

111200231000000 is an abundant number, since it is smaller than the sum of its proper divisors (166054563530704).

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

111200231000000 is an frugal number, since it uses more digits than its factorization.

111200231000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576402 (or 576367 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 111200231000000 its reverse (132002111), we get a palindrome (111200363002111).

The spelling of 111200231000000 in words is "one hundred eleven trillion, two hundred billion, two hundred thirty-one million", and thus it is an aban number.