11322212122 has 24 divisors (see below), whose sum is σ = 18436761756. Its totient is φ = 5212411776.

The previous prime is 11322212101. The next prime is 11322212123. The reversal of 11322212122 is 22121222311.

It can be written as a sum of positive squares in 6 ways, for example, as 4286189961 + 7036022161 = 65469^2 + 83881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11322212122.

It is not an unprimeable number, because it can be changed into a prime (11322212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91998 + ... + 176374.

Almost surely, 2^11322212122 is an apocalyptic number.

11322212122 is a deficient number, since it is larger than the sum of its proper divisors (7114549634).

11322212122 is a wasteful number, since it uses less digits than its factorization.

11322212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84802 (or 84789 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

Adding to 11322212122 its reverse (22121222311), we get a palindrome (33443434433).

The spelling of 11322212122 in words is "eleven billion, three hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".