11021223460 has 36 divisors (see below), whose sum is σ = 25061878548. Its totient is φ = 4069373568.

The previous prime is 11021223457. The next prime is 11021223461. The reversal of 11021223460 is 6432212011.

It can be written as a sum of positive squares in 6 ways, for example, as 5470377444 + 5550846016 = 73962^2 + 74504^2 .

It is not an unprimeable number, because it can be changed into a prime (11021223461) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1626979 + ... + 1633738.

It is an arithmetic number, because the mean of its divisors is an integer number (696163293).

Almost surely, 2^11021223460 is an apocalyptic number.

11021223460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021223460 is an abundant number, since it is smaller than the sum of its proper divisors (14040655088).

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

11021223460 is a wasteful number, since it uses less digits than its factorization.

11021223460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260752 (or 3260737 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11021223460 its reverse (6432212011), we get a palindrome (17453435471).

The spelling of 11021223460 in words is "eleven billion, twenty-one million, two hundred twenty-three thousand, four hundred sixty".