11102121210012 has 96 divisors (see below), whose sum is σ = 31209884321280. Its totient is φ = 3000646321920.

The previous prime is 11102121209941. The next prime is 11102121210013. The reversal of 11102121210012 is 21001212120111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11102121209973 and 11102121210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102121210013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4057039 + ... + 6218022.

It is an arithmetic number, because the mean of its divisors is an integer number (325102961680).

Almost surely, 2^{11102121210012} is an apocalyptic number.

11102121210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102121210012 is an abundant number, since it is smaller than the sum of its proper divisors (20107763111268).

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

11102121210012 is a wasteful number, since it uses less digits than its factorization.

11102121210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275771 (or 10275769 counting only the distinct ones).

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

Adding to 11102121210012 its reverse (21001212120111), we get a palindrome (32103333330123).

The spelling of 11102121210012 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred ten thousand, twelve".