111303120321 has 12 divisors (see below), whose sum is σ = 160798015872. Its totient is φ = 74189691576.

The previous prime is 111303120293. The next prime is 111303120329. The reversal of 111303120321 is 123021303111.

111303120321 is a `hidden beast` number, since 1 + 1 + 1 + 30 + 312 + 0 + 321 = 666.

It is not a de Polignac number, because 111303120321 - 2¹⁷ = 111302989249 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111303120294 and 111303120303.

It is not an unprimeable number, because it can be changed into a prime (111303120329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975321 + ... + 1083446.

It is an arithmetic number, because the mean of its divisors is an integer number (13399834656).

Almost surely, 2^111303120321 is an apocalyptic number.

It is an amenable number.

111303120321 is a deficient number, since it is larger than the sum of its proper divisors (49494895551).

111303120321 is a wasteful number, since it uses less digits than its factorization.

111303120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064780 (or 2064777 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111303120321 its reverse (123021303111), we get a palindrome (234324423432).

The spelling of 111303120321 in words is "one hundred eleven billion, three hundred three million, one hundred twenty thousand, three hundred twenty-one".