11011121211122 has 16 divisors (see below), whose sum is σ = 16569706407192. Its totient is φ = 5487886285440.

The previous prime is 11011121211121. The next prime is 11011121211163. The reversal of 11011121211122 is 22111212111011.

It can be written as a sum of positive squares in 4 ways, for example, as 801492258121 + 10209628953001 = 895261^2 + 3195251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11011121211122.

It is not an unprimeable number, because it can be changed into a prime (11011121211121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66912968 + ... + 67077324.

Almost surely, 2^{11011121211122} is an apocalyptic number.

11011121211122 is a deficient number, since it is larger than the sum of its proper divisors (5558585196070).

11011121211122 is a wasteful number, since it uses less digits than its factorization.

11011121211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271693.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11011121211122 its reverse (22111212111011), we get a palindrome (33122333322133).

The spelling of 11011121211122 in words is "eleven trillion, eleven billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".