11013220000 has 60 divisors (see below), whose sum is σ = 27094222386. Its totient is φ = 4405280000.

The previous prime is 11013219857. The next prime is 11013220033. The reversal of 11013220000 is 2231011.

It can be written as a sum of positive squares in 5 ways, for example, as 36048016 + 10977171984 = 6004^2 + 104772^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 255331 + ... + 295330.

Almost surely, 2^11013220000 is an apocalyptic number.

11013220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013220000 is an abundant number, since it is smaller than the sum of its proper divisors (16081002386).

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

11013220000 is an frugal number, since it uses more digits than its factorization.

11013220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550691 (or 550668 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 11013220000 its reverse (2231011), we get a palindrome (11015451011).

The spelling of 11013220000 in words is "eleven billion, thirteen million, two hundred twenty thousand".