11001122121112 has 32 divisors (see below), whose sum is σ = 20976993460800. Its totient is φ = 5407259665824.

The previous prime is 11001122121089. The next prime is 11001122121163. The reversal of 11001122121112 is 21112122110011.

It is a super-2 number, since 2×11001122121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62474263 + ... + 62650105.

It is an arithmetic number, because the mean of its divisors is an integer number (655531045650).

Almost surely, 2^{11001122121112} is an apocalyptic number.

It is an amenable number.

11001122121112 is a deficient number, since it is larger than the sum of its proper divisors (9975871339688).

11001122121112 is a wasteful number, since it uses less digits than its factorization.

11001122121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308455 (or 308451 counting only the distinct ones).

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

Adding to 11001122121112 its reverse (21112122110011), we get a palindrome (32113244231123).

The spelling of 11001122121112 in words is "eleven trillion, one billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".