11221011120 has 160 divisors (see below), whose sum is σ = 38324047104. Its totient is φ = 2693248000.

The previous prime is 11221011103. The next prime is 11221011163. The reversal of 11221011120 is 2111012211.

It is a super-2 number, since 2×11221011120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11221011096 and 11221011105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245599 + ... + 287681.

Almost surely, 2^11221011120 is an apocalyptic number.

11221011120 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 11221011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19162023552).

11221011120 is an abundant number, since it is smaller than the sum of its proper divisors (27103035984).

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

11221011120 is a wasteful number, since it uses less digits than its factorization.

11221011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42211 (or 42205 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221011120 its reverse (2111012211), we get a palindrome (13332023331).

The spelling of 11221011120 in words is "eleven billion, two hundred twenty-one million, eleven thousand, one hundred twenty".