111032002123 has 16 divisors (see below), whose sum is σ = 129498969600. Its totient is φ = 95158833000.

The previous prime is 111032002117. The next prime is 111032002129. The reversal of 111032002123 is 321200230111.

It is an interprime number because it is at equal distance from previous prime (111032002117) and next prime (111032002129).

It is a de Polignac number, because none of the positive numbers 2^k-111032002123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111032002097 and 111032002106.

It is not an unprimeable number, because it can be changed into a prime (111032002129) 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 15 ways as a sum of consecutive naturals, for example, 4106298 + ... + 4133248.

It is an arithmetic number, because the mean of its divisors is an integer number (8093685600).

Almost surely, 2^111032002123 is an apocalyptic number.

111032002123 is a deficient number, since it is larger than the sum of its proper divisors (18466967477).

111032002123 is an equidigital number, since it uses as much as digits as its factorization.

111032002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38983 (or 38969 counting only the distinct ones).

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

Adding to 111032002123 its reverse (321200230111), we get a palindrome (432232232234).

The spelling of 111032002123 in words is "one hundred eleven billion, thirty-two million, two thousand, one hundred twenty-three".