11102120212 has 12 divisors (see below), whose sum is σ = 19437716116. Its totient is φ = 5548487040.

The previous prime is 11102120207. The next prime is 11102120243. The reversal of 11102120212 is 21202120111.

11102120212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5142897796 + 5959222416 = 71714^2 + 77196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11102120192 and 11102120201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633543 + ... + 650830.

Almost surely, 2^11102120212 is an apocalyptic number.

It is an amenable number.

11102120212 is a deficient number, since it is larger than the sum of its proper divisors (8335595904).

11102120212 is a wasteful number, since it uses less digits than its factorization.

11102120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286538 (or 1286536 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11102120212 its reverse (21202120111), we get a palindrome (32304240323).

The spelling of 11102120212 in words is "eleven billion, one hundred two million, one hundred twenty thousand, two hundred twelve".