11021110122012 has 12 divisors (see below), whose sum is σ = 25715923618056. Its totient is φ = 3673703374000.

The previous prime is 11021110122007. The next prime is 11021110122019. The reversal of 11021110122012 is 21022101112011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11021110121982 and 11021110122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021110122019) 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, 459212921739 + ... + 459212921762.

It is an arithmetic number, because the mean of its divisors is an integer number (2142993634838).

Almost surely, 2^{11021110122012} is an apocalyptic number.

11021110122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021110122012 is an abundant number, since it is smaller than the sum of its proper divisors (14694813496044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021110122012 is a wasteful number, since it uses less digits than its factorization.

11021110122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918425843508 (or 918425843506 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11021110122012 its reverse (21022101112011), we get a palindrome (32043211234023).

The spelling of 11021110122012 in words is "eleven trillion, twenty-one billion, one hundred ten million, one hundred twenty-two thousand, twelve".