111001201100 has 18 divisors (see below), whose sum is σ = 240872606604. Its totient is φ = 44400480400.

The previous prime is 111001201097. The next prime is 111001201133. The reversal of 111001201100 is 1102100111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555005906 + ... + 555006105.

It is an arithmetic number, because the mean of its divisors is an integer number (13381811478).

Almost surely, 2^111001201100 is an apocalyptic number.

111001201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001201100 is an abundant number, since it is smaller than the sum of its proper divisors (129871405504).

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

111001201100 is a wasteful number, since it uses less digits than its factorization.

111001201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110012025 (or 1110012018 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111001201100 its reverse (1102100111), we get a palindrome (112103301211).

The spelling of 111001201100 in words is "one hundred eleven billion, one million, two hundred one thousand, one hundred".