111211020223 has 8 divisors (see below), whose sum is σ = 118190592720. Its totient is φ = 104280086400.

The previous prime is 111211020197. The next prime is 111211020233. The reversal of 111211020223 is 322020112111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211020223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111211020197 and 111211020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211020233) 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, 12154953 + ... + 12164098.

It is an arithmetic number, because the mean of its divisors is an integer number (14773824090).

Almost surely, 2^111211020223 is an apocalyptic number.

111211020223 is a deficient number, since it is larger than the sum of its proper divisors (6979572497).

111211020223 is a wasteful number, since it uses less digits than its factorization.

111211020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24319337.

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

Adding to 111211020223 its reverse (322020112111), we get a palindrome (433231132334).

The spelling of 111211020223 in words is "one hundred eleven billion, two hundred eleven million, twenty thousand, two hundred twenty-three".