11030013220 has 12 divisors (see below), whose sum is σ = 23163027804. Its totient is φ = 4412005280.

The previous prime is 11030013217. The next prime is 11030013263. The reversal of 11030013220 is 2231003011.

It can be written as a sum of positive squares in 2 ways, for example, as 2395515136 + 8634498084 = 48944^2 + 92922^2 .

It is a super-2 number, since 2×11030013220² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11030013220.

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 3 ways as a sum of consecutive naturals, for example, 275750311 + ... + 275750350.

It is an arithmetic number, because the mean of its divisors is an integer number (1930252317).

Almost surely, 2^11030013220 is an apocalyptic number.

11030013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11030013220 is an abundant number, since it is smaller than the sum of its proper divisors (12133014584).

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

11030013220 is a wasteful number, since it uses less digits than its factorization.

11030013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551500670 (or 551500668 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11030013220 its reverse (2231003011), we get a palindrome (13261016231).

The spelling of 11030013220 in words is "eleven billion, thirty million, thirteen thousand, two hundred twenty".