11030331021 has 8 divisors (see below), whose sum is σ = 14707710624. Its totient is φ = 7353252720.

The previous prime is 11030330959. The next prime is 11030331029. The reversal of 11030331021 is 12013303011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11030331021 - 2⁷ = 11030330893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030331029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31906 + ... + 151916.

It is an arithmetic number, because the mean of its divisors is an integer number (1838463828).

Almost surely, 2^11030331021 is an apocalyptic number.

It is an amenable number.

11030331021 is a deficient number, since it is larger than the sum of its proper divisors (3677379603).

11030331021 is a wasteful number, since it uses less digits than its factorization.

11030331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150651.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11030331021 its reverse (12013303011), we get a palindrome (23043634032).

The spelling of 11030331021 in words is "eleven billion, thirty million, three hundred thirty-one thousand, twenty-one".