111201011001200 has 60 divisors (see below), whose sum is σ = 267165546463920. Its totient is φ = 44479552366080.

The previous prime is 111201011001191. The next prime is 111201011001221. The reversal of 111201011001200 is 2100110102111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18454556 + ... + 23727044.

It is an arithmetic number, because the mean of its divisors is an integer number (4452759107732).

Almost surely, 2^{111201011001200} is an apocalyptic number.

111201011001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201011001200 is an abundant number, since it is smaller than the sum of its proper divisors (155964535462720).

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

111201011001200 is a wasteful number, since it uses less digits than its factorization.

111201011001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325234 (or 5325223 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111201011001200 its reverse (2100110102111), we get a palindrome (113301121103311).

The spelling of 111201011001200 in words is "one hundred eleven trillion, two hundred one billion, eleven million, one thousand, two hundred".