11101112122 has 8 divisors (see below), whose sum is σ = 16660113876. Its totient is φ = 5547740832.

The previous prime is 11101112089. The next prime is 11101112129. The reversal of 11101112122 is 22121110111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9972219321 + 1128892801 = 99861^2 + 33599^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11101112129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402683 + ... + 1410574.

Almost surely, 2^11101112122 is an apocalyptic number.

11101112122 is a deficient number, since it is larger than the sum of its proper divisors (5559001754).

11101112122 is a wasteful number, since it uses less digits than its factorization.

11101112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815232.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11101112122 its reverse (22121110111), we get a palindrome (33222222233).

The spelling of 11101112122 in words is "eleven billion, one hundred one million, one hundred twelve thousand, one hundred twenty-two".