11330021331 has 12 divisors (see below), whose sum is σ = 17328268152. Its totient is φ = 7109032896.

The previous prime is 11330021317. The next prime is 11330021363. The reversal of 11330021331 is 13312003311.

It is a happy number.

11330021331 is a `hidden beast` number, since 1 + 1 + 330 + 0 + 2 + 1 + 331 = 666.

It is not a de Polignac number, because 11330021331 - 2¹⁰ = 11330020307 is a prime.

It is a super-2 number, since 2×11330021331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11330021371) 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, 37026061 + ... + 37026366.

It is an arithmetic number, because the mean of its divisors is an integer number (1444022346).

Almost surely, 2^11330021331 is an apocalyptic number.

11330021331 is a deficient number, since it is larger than the sum of its proper divisors (5998246821).

11330021331 is a wasteful number, since it uses less digits than its factorization.

11330021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74052450 (or 74052447 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11330021331 its reverse (13312003311), we get a palindrome (24642024642).

The spelling of 11330021331 in words is "eleven billion, three hundred thirty million, twenty-one thousand, three hundred thirty-one".