11222211122 has 16 divisors (see below), whose sum is σ = 18238014432. Its totient is φ = 5158224960.

The previous prime is 11222211107. The next prime is 11222211127. The reversal of 11222211122 is 22111222211.

11222211122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11222211122.

It is not an unprimeable number, because it can be changed into a prime (11222211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3836504 + ... + 3839427.

It is an arithmetic number, because the mean of its divisors is an integer number (1139875902).

Almost surely, 2^11222211122 is an apocalyptic number.

11222211122 is a deficient number, since it is larger than the sum of its proper divisors (7015803310).

11222211122 is a wasteful number, since it uses less digits than its factorization.

11222211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675993.

The product of its digits is 64, while the sum is 17.

Adding to 11222211122 its reverse (22111222211), we get a palindrome (33333433333).

The spelling of 11222211122 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".