11101201122 has 64 divisors (see below), whose sum is σ = 25027522560. Its totient is φ = 3252177600.

The previous prime is 11101201103. The next prime is 11101201129. The reversal of 11101201122 is 22110210111.

It is a junction number, because it is equal to n+sod(n) for n = 11101201098 and 11101201107.

It is not an unprimeable number, because it can be changed into a prime (11101201129) 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, 2622904 + ... + 2627132.

It is an arithmetic number, because the mean of its divisors is an integer number (391055040).

Almost surely, 2^11101201122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11101201122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12513761280).

11101201122 is an abundant number, since it is smaller than the sum of its proper divisors (13926321438).

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

11101201122 is a wasteful number, since it uses less digits than its factorization.

11101201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559.

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

Adding to 11101201122 its reverse (22110210111), we get a palindrome (33211411233).

The spelling of 11101201122 in words is "eleven billion, one hundred one million, two hundred one thousand, one hundred twenty-two".