111020012233 has 8 divisors (see below), whose sum is σ = 119770144200. Its totient is φ = 102299899008.

The previous prime is 111020012231. The next prime is 111020012237. The reversal of 111020012233 is 332210020111.

It can be written as a sum of positive squares in 4 ways, for example, as 7083410569 + 103936601664 = 84163^2 + 322392^2 .

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 111020012233 - 2¹ = 111020012231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020012231) 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, 7496998 + ... + 7511791.

It is an arithmetic number, because the mean of its divisors is an integer number (14971268025).

Almost surely, 2^111020012233 is an apocalyptic number.

111020012233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111020012233 is a deficient number, since it is larger than the sum of its proper divisors (8750131967).

111020012233 is a wasteful number, since it uses less digits than its factorization.

111020012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15009371.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111020012233 its reverse (332210020111), we get a palindrome (443230032344).

The spelling of 111020012233 in words is "one hundred eleven billion, twenty million, twelve thousand, two hundred thirty-three".