11222221120112 has 80 divisors (see below), whose sum is σ = 23107854752640. Its totient is φ = 5264620395264.

The previous prime is 11222221120079. The next prime is 11222221120171. The reversal of 11222221120112 is 21102112222211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119558543 + ... + 119652369.

It is an arithmetic number, because the mean of its divisors is an integer number (288848184408).

Almost surely, 2^{11222221120112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222221120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11553927376320).

11222221120112 is an abundant number, since it is smaller than the sum of its proper divisors (11885633632528).

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

11222221120112 is a wasteful number, since it uses less digits than its factorization.

11222221120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97638 (or 97632 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222221120112 its reverse (21102112222211), we get a palindrome (32324333342323).

The spelling of 11222221120112 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twelve".