1330221003331 has 12 divisors (see below), whose sum is σ = 1525715217936. Its totient is φ = 1156713913520.

The previous prime is 1330221003311. The next prime is 1330221003343. The reversal of 1330221003331 is 1333001220331.

It is not a de Polignac number, because 1330221003331 - 2⁹ = 1330221002819 is a prime.

It is a super-2 number, since 2×1330221003331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330221003311) 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, 238987696 + ... + 238993261.

It is an arithmetic number, because the mean of its divisors is an integer number (127142934828).

Almost surely, 2^{1330221003331} is an apocalyptic number.

1330221003331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1330221003331 is a deficient number, since it is larger than the sum of its proper divisors (195494214605).

1330221003331 is a wasteful number, since it uses less digits than its factorization.

1330221003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477981002 (or 477980991 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1330221003331 its reverse (1333001220331), we get a palindrome (2663222223662).

The spelling of 1330221003331 in words is "one trillion, three hundred thirty billion, two hundred twenty-one million, three thousand, three hundred thirty-one".