111200201211121 has 8 divisors (see below), whose sum is σ = 121309422649344. Its totient is φ = 101090998479120.

The previous prime is 111200201211119. The next prime is 111200201211179. The reversal of 111200201211121 is 121112102002111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111200201211121 - 2¹ = 111200201211119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200201211095 and 111200201211104.

It is not an unprimeable number, because it can be changed into a prime (111200201211821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9665296 + ... + 17771278.

It is an arithmetic number, because the mean of its divisors is an integer number (15163677831168).

Almost surely, 2^{111200201211121} is an apocalyptic number.

111200201211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111200201211121 is a deficient number, since it is larger than the sum of its proper divisors (10109221438223).

111200201211121 is a wasteful number, since it uses less digits than its factorization.

111200201211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353111.

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

Adding to 111200201211121 its reverse (121112102002111), we get a palindrome (232312303213232).

The spelling of 111200201211121 in words is "one hundred eleven trillion, two hundred billion, two hundred one million, two hundred eleven thousand, one hundred twenty-one".