11442220122 has 32 divisors (see below), whose sum is σ = 22996512000. Its totient is φ = 3795418368.

The previous prime is 11442220117. The next prime is 11442220123. The reversal of 11442220122 is 22102224411.

It is not an unprimeable number, because it can be changed into a prime (11442220123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3751254 + ... + 3754302.

It is an arithmetic number, because the mean of its divisors is an integer number (718641000).

Almost surely, 2^11442220122 is an apocalyptic number.

11442220122 is an abundant number, since it is smaller than the sum of its proper divisors (11554291878).

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

11442220122 is a wasteful number, since it uses less digits than its factorization.

11442220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11442220122 its reverse (22102224411), we get a palindrome (33544444533).

The spelling of 11442220122 in words is "eleven billion, four hundred forty-two million, two hundred twenty thousand, one hundred twenty-two".