11101222220122 has 8 divisors (see below), whose sum is σ = 16651854162900. Its totient is φ = 5550604165824.

The previous prime is 11101222220093. The next prime is 11101222220131. The reversal of 11101222220122 is 22102222210111.

It can be written as a sum of positive squares in 2 ways, for example, as 11094834853881 + 6387366241 = 3330891^2 + 79921^2 .

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 11101222220122.

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, 1168047 + ... + 4854562.

Almost surely, 2^{11101222220122} is an apocalyptic number.

11101222220122 is a deficient number, since it is larger than the sum of its proper divisors (5550631942778).

11101222220122 is an equidigital number, since it uses as much as digits as its factorization.

11101222220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944240.

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

Adding to 11101222220122 its reverse (22102222210111), we get a palindrome (33203444430233).

The spelling of 11101222220122 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".