11322121122 has 96 divisors (see below), whose sum is σ = 26979039360. Its totient is φ = 3410288640.

The previous prime is 11322121121. The next prime is 11322121127. The reversal of 11322121122 is 22112122311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11322121095 and 11322121104.

It is not an unprimeable number, because it can be changed into a prime (11322121121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3546547 + ... + 3549737.

It is an arithmetic number, because the mean of its divisors is an integer number (281031660).

Almost surely, 2^11322121122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11322121122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13489519680).

11322121122 is an abundant number, since it is smaller than the sum of its proper divisors (15656918238).

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

11322121122 is a wasteful number, since it uses less digits than its factorization.

11322121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3525 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 11322121122 its reverse (22112122311), we get a palindrome (33434243433).

The spelling of 11322121122 in words is "eleven billion, three hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".