11221120122 has 32 divisors (see below), whose sum is σ = 22572886464. Its totient is φ = 3718656000.

The previous prime is 11221120121. The next prime is 11221120151. The reversal of 11221120122 is 22102112211.

It is not an unprimeable number, because it can be changed into a prime (11221120121) 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, 827497 + ... + 840947.

It is an arithmetic number, because the mean of its divisors is an integer number (705402702).

Almost surely, 2^11221120122 is an apocalyptic number.

11221120122 is an abundant number, since it is smaller than the sum of its proper divisors (11351766342).

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

11221120122 is a wasteful number, since it uses less digits than its factorization.

11221120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11221120122 its reverse (22102112211), we get a palindrome (33323232333).

The spelling of 11221120122 in words is "eleven billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".