11102020021120 has 128 divisors (see below), whose sum is σ = 30785026498560. Its totient is φ = 3749594720256.

The previous prime is 11102020021091. The next prime is 11102020021121. The reversal of 11102020021120 is 2112002020111.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×11102020021120³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11102020021120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102020021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18193344 + ... + 18793663.

It is an arithmetic number, because the mean of its divisors is an integer number (240508019520).

Almost surely, 2^{11102020021120} is an apocalyptic number.

11102020021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102020021120 is an abundant number, since it is smaller than the sum of its proper divisors (19683006477440).

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

11102020021120 is an equidigital number, since it uses as much as digits as its factorization.

11102020021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36987100 (or 36987088 counting only the distinct ones).

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

Adding to 11102020021120 its reverse (2112002020111), we get a palindrome (13214022041231).

The spelling of 11102020021120 in words is "eleven trillion, one hundred two billion, twenty million, twenty-one thousand, one hundred twenty".