111111033321 has 12 divisors (see below), whose sum is σ = 160774797040. Its totient is φ = 73944291960.

The previous prime is 111111033221. The next prime is 111111033331. The reversal of 111111033321 is 123330111111.

It is not a de Polignac number, because 111111033321 - 2¹⁴ = 111111016937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111111033294 and 111111033303.

It is not an unprimeable number, because it can be changed into a prime (111111033331) 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, 10805431 + ... + 10815708.

Almost surely, 2^111111033321 is an apocalyptic number.

It is an amenable number.

111111033321 is a deficient number, since it is larger than the sum of its proper divisors (49663763719).

111111033321 is a wasteful number, since it uses less digits than its factorization.

111111033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21621716 (or 21621713 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111111033321 its reverse (123330111111), we get a palindrome (234441144432).

The spelling of 111111033321 in words is "one hundred eleven billion, one hundred eleven million, thirty-three thousand, three hundred twenty-one".