111122201200 has 30 divisors (see below), whose sum is σ = 266971089344. Its totient is φ = 44448880320.

The previous prime is 111122201161. The next prime is 111122201209. The reversal of 111122201200 is 2102221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122201209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138902352 + ... + 138903151.

Almost surely, 2^111122201200 is an apocalyptic number.

111122201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122201200 is an abundant number, since it is smaller than the sum of its proper divisors (155848888144).

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

111122201200 is a wasteful number, since it uses less digits than its factorization.

111122201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277805521 (or 277805510 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111122201200 its reverse (2102221111), we get a palindrome (113224422311).

The spelling of 111122201200 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred one thousand, two hundred".