11220111201112 has 128 divisors (see below), whose sum is σ = 23698676736000. Its totient is φ = 4937255424000.

The previous prime is 11220111201043. The next prime is 11220111201113. The reversal of 11220111201112 is 21110211102211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220111201113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71478889 + ... + 71635687.

It is an arithmetic number, because the mean of its divisors is an integer number (185145912000).

Almost surely, 2^{11220111201112} 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 11220111201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11849338368000).

11220111201112 is an abundant number, since it is smaller than the sum of its proper divisors (12478565534888).

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

11220111201112 is a wasteful number, since it uses less digits than its factorization.

11220111201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157097 (or 157093 counting only the distinct ones).

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

Adding to 11220111201112 its reverse (21110211102211), we get a palindrome (32330322303323).

The spelling of 11220111201112 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, two hundred one thousand, one hundred twelve".