11220202211122 has 4 divisors (see below), whose sum is σ = 16830303316686. Its totient is φ = 5610101105560.

The previous prime is 11220202211041. The next prime is 11220202211131. The reversal of 11220202211122 is 22111220202211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10083933621441 + 1136268589681 = 3175521^2 + 1065959^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11220202211122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2805050552779 + ... + 2805050552782.

Almost surely, 2^{11220202211122} is an apocalyptic number.

11220202211122 is a deficient number, since it is larger than the sum of its proper divisors (5610101105564).

11220202211122 is an equidigital number, since it uses as much as digits as its factorization.

11220202211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610101105563.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11220202211122 its reverse (22111220202211), we get a palindrome (33331422413333).

The spelling of 11220202211122 in words is "eleven trillion, two hundred twenty billion, two hundred two million, two hundred eleven thousand, one hundred twenty-two".