111331223201 has 8 divisors (see below), whose sum is σ = 123743795904. Its totient is φ = 99300575920.

The previous prime is 111331223191. The next prime is 111331223207. The reversal of 111331223201 is 102322133111.

It is a happy number.

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 111331223201 - 2⁶ = 111331223137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111331223207) 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, 95480741 + ... + 95481906.

It is an arithmetic number, because the mean of its divisors is an integer number (15467974488).

Almost surely, 2^111331223201 is an apocalyptic number.

111331223201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111331223201 is a deficient number, since it is larger than the sum of its proper divisors (12412572703).

111331223201 is a wasteful number, since it uses less digits than its factorization.

111331223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190962711.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111331223201 its reverse (102322133111), we get a palindrome (213653356312).

The spelling of 111331223201 in words is "one hundred eleven billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred one".