11221110111120 has 320 divisors, whose sum is σ = 42816896876544. Its totient is φ = 2367307192320.

The previous prime is 11221110111109. The next prime is 11221110111137. The reversal of 11221110111120 is 2111101112211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11221110111120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 340316235 + ... + 340349205.

Almost surely, 2^{11221110111120} is an apocalyptic number.

11221110111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221110111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21408448438272).

11221110111120 is an abundant number, since it is smaller than the sum of its proper divisors (31595786765424).

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

11221110111120 is a wasteful number, since it uses less digits than its factorization.

11221110111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48590 (or 48584 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11221110111120 its reverse (2111101112211), we get a palindrome (13332211223331).

The spelling of 11221110111120 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, one hundred eleven thousand, one hundred twenty".