11110221220120 has 32 divisors (see below), whose sum is σ = 27270542995920. Its totient is φ = 4040080443520.

The previous prime is 11110221220099. The next prime is 11110221220127. The reversal of 11110221220120 is 2102212201111.

It is a junction number, because it is equal to n+sod(n) for n = 11110221220094 and 11110221220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110221220127) 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, 12625250947 + ... + 12625251826.

Almost surely, 2^{11110221220120} is an apocalyptic number.

11110221220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110221220120 is an abundant number, since it is smaller than the sum of its proper divisors (16160321775800).

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

11110221220120 is a wasteful number, since it uses less digits than its factorization.

11110221220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25250502795 (or 25250502791 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11110221220120 its reverse (2102212201111), we get a palindrome (13212433421231).

The spelling of 11110221220120 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty".