11011032220 has 48 divisors (see below), whose sum is σ = 23212139328. Its totient is φ = 4387507200.

The previous prime is 11011032187. The next prime is 11011032233. The reversal of 11011032220 is 2223011011.

It is a self number, because there is not a number n which added to its sum of digits gives 11011032220.

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, 9167620 + ... + 9168820.

It is an arithmetic number, because the mean of its divisors is an integer number (483586236).

Almost surely, 2^11011032220 is an apocalyptic number.

11011032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011032220 is an abundant number, since it is smaller than the sum of its proper divisors (12201107108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011032220 is a wasteful number, since it uses less digits than its factorization.

11011032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11011032220 its reverse (2223011011), we get a palindrome (13234043231).

The spelling of 11011032220 in words is "eleven billion, eleven million, thirty-two thousand, two hundred twenty".