11121211002012 has 12 divisors (see below), whose sum is σ = 25949492338056. Its totient is φ = 3707070334000.

The previous prime is 11121211001987. The next prime is 11121211002023. The reversal of 11121211002012 is 21020011212111.

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 = 11121211001982 and 11121211002000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463383791739 + ... + 463383791762.

It is an arithmetic number, because the mean of its divisors is an integer number (2162457694838).

Almost surely, 2^{11121211002012} is an apocalyptic number.

11121211002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121211002012 is an abundant number, since it is smaller than the sum of its proper divisors (14828281336044).

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

11121211002012 is a wasteful number, since it uses less digits than its factorization.

11121211002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926767583508 (or 926767583506 counting only the distinct ones).

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

Adding to 11121211002012 its reverse (21020011212111), we get a palindrome (32141222214123).

The spelling of 11121211002012 in words is "eleven trillion, one hundred twenty-one billion, two hundred eleven million, two thousand, twelve".