111123020231033 has 16 divisors (see below), whose sum is σ = 114770822589696. Its totient is φ = 107509282931520.

The previous prime is 111123020230949. The next prime is 111123020231053. The reversal of 111123020231033 is 330132020321111.

It is a cyclic number.

It is not a de Polignac number, because 111123020231033 - 2³⁸ = 110848142324089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111123020231053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54333260 + ... + 56341362.

It is an arithmetic number, because the mean of its divisors is an integer number (7173176411856).

Almost surely, 2^{111123020231033} is an apocalyptic number.

It is an amenable number.

111123020231033 is a deficient number, since it is larger than the sum of its proper divisors (3647802358663).

111123020231033 is a wasteful number, since it uses less digits than its factorization.

111123020231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016584.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 111123020231033 its reverse (330132020321111), we get a palindrome (441255040552144).

The spelling of 111123020231033 in words is "one hundred eleven trillion, one hundred twenty-three billion, twenty million, two hundred thirty-one thousand, thirty-three".