11111202020120 has 32 divisors (see below), whose sum is σ = 25609965635520. Its totient is φ = 4336078836480.

The previous prime is 11111202020081. The next prime is 11111202020201. The reversal of 11111202020120 is 2102020211111.

It is a junction number, because it is equal to n+sod(n) for n = 11111202020095 and 11111202020104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387559952 + ... + 3387563231.

It is an arithmetic number, because the mean of its divisors is an integer number (800311426110).

Almost surely, 2^{11111202020120} is an apocalyptic number.

11111202020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111202020120 is an abundant number, since it is smaller than the sum of its proper divisors (14498763615400).

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

11111202020120 is a wasteful number, since it uses less digits than its factorization.

11111202020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775123235 (or 6775123231 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11111202020120 its reverse (2102020211111), we get a palindrome (13213222231231).

The spelling of 11111202020120 in words is "eleven trillion, one hundred eleven billion, two hundred two million, twenty thousand, one hundred twenty".