111121333023 has 8 divisors (see below), whose sum is σ = 148163492736. Its totient is φ = 74080031000.

The previous prime is 111121333013. The next prime is 111121333031. The reversal of 111121333023 is 320333121111.

It is a happy number.

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 111121333023 - 2¹⁰ = 111121331999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121333013) 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, 205198 + ... + 514148.

It is an arithmetic number, because the mean of its divisors is an integer number (18520436592).

Almost surely, 2^111121333023 is an apocalyptic number.

111121333023 is a deficient number, since it is larger than the sum of its proper divisors (37042159713).

111121333023 is a wasteful number, since it uses less digits than its factorization.

111121333023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428845.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111121333023 its reverse (320333121111), we get a palindrome (431454454134).

The spelling of 111121333023 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred thirty-three thousand, twenty-three".