1111220333121 has 8 divisors (see below), whose sum is σ = 1546045680960. Its totient is φ = 708604270352.

The previous prime is 1111220333081. The next prime is 1111220333123. The reversal of 1111220333121 is 1213330221111.

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 1111220333121 - 2⁹ = 1111220332609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111220333123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8052321186 + ... + 8052321323.

It is an arithmetic number, because the mean of its divisors is an integer number (193255710120).

Almost surely, 2^{1111220333121} is an apocalyptic number.

It is an amenable number.

1111220333121 is a deficient number, since it is larger than the sum of its proper divisors (434825347839).

1111220333121 is a wasteful number, since it uses less digits than its factorization.

1111220333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16104642535.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1111220333121 its reverse (1213330221111), we get a palindrome (2324550554232).

The spelling of 1111220333121 in words is "one trillion, one hundred eleven billion, two hundred twenty million, three hundred thirty-three thousand, one hundred twenty-one".