111200201201 has 4 divisors (see below), whose sum is σ = 112184273892. Its totient is φ = 110216128512.

The previous prime is 111200201179. The next prime is 111200201221. The reversal of 111200201201 is 102102002111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102102002111 = 219017 ⋅466183.

It can be written as a sum of positive squares in 2 ways, for example, as 8681766976 + 102518434225 = 93176^2 + 320185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111200201201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111200201221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492036176 + ... + 492036401.

It is an arithmetic number, because the mean of its divisors is an integer number (28046068473).

Almost surely, 2^111200201201 is an apocalyptic number.

It is an amenable number.

111200201201 is a deficient number, since it is larger than the sum of its proper divisors (984072691).

111200201201 is an equidigital number, since it uses as much as digits as its factorization.

111200201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984072690.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111200201201 its reverse (102102002111), we get a palindrome (213302203312).

The spelling of 111200201201 in words is "one hundred eleven billion, two hundred million, two hundred one thousand, two hundred one".