111211232201 has 8 divisors (see below), whose sum is σ = 114645435360. Its totient is φ = 107828671392.

The previous prime is 111211232183. The next prime is 111211232219. The reversal of 111211232201 is 102232112111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111211232183) and next prime (111211232219).

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 111211232201 - 2¹⁰ = 111211231177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111211232201.

It is not an unprimeable number, because it can be changed into a prime (111211232221) 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, 12906215 + ... + 12914828.

It is an arithmetic number, because the mean of its divisors is an integer number (14330679420).

Almost surely, 2^111211232201 is an apocalyptic number.

It is an amenable number.

111211232201 is a deficient number, since it is larger than the sum of its proper divisors (3434203159).

111211232201 is an equidigital number, since it uses as much as digits as its factorization.

111211232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25821175.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111211232201 its reverse (102232112111), we get a palindrome (213443344312).

The spelling of 111211232201 in words is "one hundred eleven billion, two hundred eleven million, two hundred thirty-two thousand, two hundred one".