11021111080 has 32 divisors (see below), whose sum is σ = 28340000640. Its totient is φ = 3778666560.

The previous prime is 11021111039. The next prime is 11021111081. The reversal of 11021111080 is 8011112011.

It is not an unprimeable number, because it can be changed into a prime (11021111081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19680276 + ... + 19680835.

It is an arithmetic number, because the mean of its divisors is an integer number (885625020).

Almost surely, 2^11021111080 is an apocalyptic number.

11021111080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021111080 is an abundant number, since it is smaller than the sum of its proper divisors (17318889560).

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

11021111080 is a wasteful number, since it uses less digits than its factorization.

11021111080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39361129 (or 39361125 counting only the distinct ones).

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

Adding to 11021111080 its reverse (8011112011), we get a palindrome (19032223091).

The spelling of 11021111080 in words is "eleven billion, twenty-one million, one hundred eleven thousand, eighty".