111220001233 has 8 divisors (see below), whose sum is σ = 122257102176. Its totient is φ = 100337265600.

The previous prime is 111220001227. The next prime is 111220001239. The reversal of 111220001233 is 332100022111.

It is an interprime number because it is at equal distance from previous prime (111220001227) and next prime (111220001239).

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

It is not a de Polignac number, because 111220001233 - 2¹⁷ = 111219870161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111220001239) 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, 38589816 + ... + 38592697.

It is an arithmetic number, because the mean of its divisors is an integer number (15282137772).

Almost surely, 2^111220001233 is an apocalyptic number.

It is an amenable number.

111220001233 is a deficient number, since it is larger than the sum of its proper divisors (11037100943).

111220001233 is a wasteful number, since it uses less digits than its factorization.

111220001233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77182655.

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

Adding to 111220001233 its reverse (332100022111), we get a palindrome (443320023344).

The spelling of 111220001233 in words is "one hundred eleven billion, two hundred twenty million, one thousand, two hundred thirty-three".