111103303221 has 12 divisors (see below), whose sum is σ = 160486810848. Its totient is φ = 74066901864.

The previous prime is 111103303211. The next prime is 111103303253. The reversal of 111103303221 is 122303301111.

111103303221 is a `hidden beast` number, since 1 + 1 + 1 + 10 + 330 + 322 + 1 = 666.

It is not a de Polignac number, because 111103303221 - 2⁷ = 111103303093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111103303194 and 111103303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103303211) 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, 248416 + ... + 532838.

It is an arithmetic number, because the mean of its divisors is an integer number (13373900904).

Almost surely, 2^111103303221 is an apocalyptic number.

It is an amenable number.

111103303221 is a deficient number, since it is larger than the sum of its proper divisors (49383507627).

111103303221 is a wasteful number, since it uses less digits than its factorization.

111103303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327832 (or 327829 counting only the distinct ones).

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

Adding to 111103303221 its reverse (122303301111), we get a palindrome (233406604332).

The spelling of 111103303221 in words is "one hundred eleven billion, one hundred three million, three hundred three thousand, two hundred twenty-one".