11102100121012 has 12 divisors (see below), whose sum is σ = 19428812843076. Its totient is φ = 5551010737280.

The previous prime is 11102100120989. The next prime is 11102100121037. The reversal of 11102100121012 is 21012100120111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11034979747236 + 67120373776 = 3321894^2 + 259076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11102100120983 and 11102100121001.

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, 9190939 + ... + 10328482.

It is an arithmetic number, because the mean of its divisors is an integer number (1619067736923).

Almost surely, 2^{11102100121012} is an apocalyptic number.

It is an amenable number.

11102100121012 is a deficient number, since it is larger than the sum of its proper divisors (8326712722064).

11102100121012 is a wasteful number, since it uses less digits than its factorization.

11102100121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661618 (or 19661616 counting only the distinct ones).

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

Adding to 11102100121012 its reverse (21012100120111), we get a palindrome (32114200241123).

Subtracting 11102100121012 from its reverse (21012100120111), we obtain a palindrome (9909999999099).

The spelling of 11102100121012 in words is "eleven trillion, one hundred two billion, one hundred million, one hundred twenty-one thousand, twelve".