111201021223 has 8 divisors (see below), whose sum is σ = 114415757456. Its totient is φ = 108014860800.

The previous prime is 111201021193. The next prime is 111201021229. The reversal of 111201021223 is 322120102111.

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 111201021223 - 2¹³ = 111201013031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111201021197 and 111201021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201021229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7136058 + ... + 7151623.

It is an arithmetic number, because the mean of its divisors is an integer number (14301969682).

Almost surely, 2^111201021223 is an apocalyptic number.

111201021223 is a deficient number, since it is larger than the sum of its proper divisors (3214736233).

111201021223 is a wasteful number, since it uses less digits than its factorization.

111201021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287905.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111201021223 its reverse (322120102111), we get a palindrome (433321123334).

The spelling of 111201021223 in words is "one hundred eleven billion, two hundred one million, twenty-one thousand, two hundred twenty-three".