11213004220 has 48 divisors (see below), whose sum is σ = 26285390208. Its totient is φ = 3982628160.

The previous prime is 11213004217. The next prime is 11213004239. The reversal of 11213004220 is 2240031211.

It is a junction number, because it is equal to n+sod(n) for n = 11213004194 and 11213004203.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 583194 + ... + 602113.

It is an arithmetic number, because the mean of its divisors is an integer number (547612296).

Almost surely, 2^11213004220 is an apocalyptic number.

11213004220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213004220 is an abundant number, since it is smaller than the sum of its proper divisors (15072385988).

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

11213004220 is a wasteful number, since it uses less digits than its factorization.

11213004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185370 (or 1185368 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11213004220 its reverse (2240031211), we get a palindrome (13453035431).

The spelling of 11213004220 in words is "eleven billion, two hundred thirteen million, four thousand, two hundred twenty".