11012021120 has 32 divisors (see below), whose sum is σ = 26325614520. Its totient is φ = 4404808192.

The previous prime is 11012021117. The next prime is 11012021191. The reversal of 11012021120 is 2112021011.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8602502 + ... + 8603781.

Almost surely, 2^11012021120 is an apocalyptic number.

11012021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012021120 is an abundant number, since it is smaller than the sum of its proper divisors (15313593400).

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

11012021120 is an equidigital number, since it uses as much as digits as its factorization.

11012021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17206302 (or 17206290 counting only the distinct ones).

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

Adding to 11012021120 its reverse (2112021011), we get a palindrome (13124042131).

The spelling of 11012021120 in words is "eleven billion, twelve million, twenty-one thousand, one hundred twenty".