11031221030 has 32 divisors (see below), whose sum is σ = 20170810080. Its totient is φ = 4342694400.

The previous prime is 11031221017. The next prime is 11031221051. The reversal of 11031221030 is 3012213011.

It is a junction number, because it is equal to n+sod(n) for n = 11031220996 and 11031221014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797816 + ... + 811524.

It is an arithmetic number, because the mean of its divisors is an integer number (630337815).

Almost surely, 2^11031221030 is an apocalyptic number.

11031221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11031221030 is a deficient number, since it is larger than the sum of its proper divisors (9139589050).

11031221030 is a wasteful number, since it uses less digits than its factorization.

11031221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14984.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11031221030 its reverse (3012213011), we get a palindrome (14043434041).

The spelling of 11031221030 in words is "eleven billion, thirty-one million, two hundred twenty-one thousand, thirty".