11021021120 has 56 divisors (see below), whose sum is σ = 27787573584. Its totient is φ = 4149088256.

The previous prime is 11021021083. The next prime is 11021021129. The reversal of 11021021120 is 2112012011.

11021021120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007522 + ... + 1018401.

Almost surely, 2^11021021120 is an apocalyptic number.

11021021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021021120 is an abundant number, since it is smaller than the sum of its proper divisors (16766552464).

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

11021021120 is a wasteful number, since it uses less digits than its factorization.

11021021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025957 (or 2025947 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11021021120 its reverse (2112012011), we get a palindrome (13133033131).

The spelling of 11021021120 in words is "eleven billion, twenty-one million, twenty-one thousand, one hundred twenty".