11022121120 has 48 divisors (see below), whose sum is σ = 26353524960. Its totient is φ = 4355724544.

The previous prime is 11022121087. The next prime is 11022121129. The reversal of 11022121120 is 2112122011.

It is a self number, because there is not a number n which added to its sum of digits gives 11022121120.

It is not an unprimeable number, because it can be changed into a prime (11022121129) 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 7 ways as a sum of consecutive naturals, for example, 401710 + ... + 428269.

It is an arithmetic number, because the mean of its divisors is an integer number (549031770).

Almost surely, 2^11022121120 is an apocalyptic number.

11022121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022121120 is an abundant number, since it is smaller than the sum of its proper divisors (15331403840).

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

11022121120 is an equidigital number, since it uses as much as digits as its factorization.

11022121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830077 (or 830069 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11022121120 its reverse (2112122011), we get a palindrome (13134243131).

The spelling of 11022121120 in words is "eleven billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty".