1121004330221 has 8 divisors (see below), whose sum is σ = 1124709690720. Its totient is φ = 1117299320208.

The previous prime is 1121004330203. The next prime is 1121004330283. The reversal of 1121004330221 is 1220334001211.

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 1121004330221 - 2¹⁴ = 1121004313837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121004330193 and 1121004330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121004330521) 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, 7362950 + ... + 7513656.

It is an arithmetic number, because the mean of its divisors is an integer number (140588711340).

Almost surely, 2^{1121004330221} is an apocalyptic number.

It is an amenable number.

1121004330221 is a deficient number, since it is larger than the sum of its proper divisors (3705360499).

1121004330221 is a wasteful number, since it uses less digits than its factorization.

1121004330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175243.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121004330221 its reverse (1220334001211), we get a palindrome (2341338331432).

The spelling of 1121004330221 in words is "one trillion, one hundred twenty-one billion, four million, three hundred thirty thousand, two hundred twenty-one".