11222220122 has 8 divisors (see below), whose sum is σ = 17565214176. Its totient is φ = 5367148732.

The previous prime is 11222220077. The next prime is 11222220143. The reversal of 11222220122 is 22102222211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11222220122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121980608 + ... + 121980699.

It is an arithmetic number, because the mean of its divisors is an integer number (2195651772).

Almost surely, 2^11222220122 is an apocalyptic number.

11222220122 is a deficient number, since it is larger than the sum of its proper divisors (6342994054).

11222220122 is a wasteful number, since it uses less digits than its factorization.

11222220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243961332.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222220122 its reverse (22102222211), we get a palindrome (33324442333).

The spelling of 11222220122 in words is "eleven billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".