11211330212 has 6 divisors (see below), whose sum is σ = 19619827878. Its totient is φ = 5605665104.

The previous prime is 11211330191. The next prime is 11211330233. The reversal of 11211330212 is 21203311211.

11211330212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11211330191) and next prime (11211330233).

It can be written as a sum of positive squares in only one way, i.e., 10366497856 + 844832356 = 101816^2 + 29066^2 .

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 as a sum of consecutive naturals, namely, 1401416273 + ... + 1401416280.

It is an arithmetic number, because the mean of its divisors is an integer number (3269971313).

Almost surely, 2^11211330212 is an apocalyptic number.

It is an amenable number.

11211330212 is a deficient number, since it is larger than the sum of its proper divisors (8408497666).

11211330212 is a wasteful number, since it uses less digits than its factorization.

11211330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802832557 (or 2802832555 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11211330212 its reverse (21203311211), we get a palindrome (32414641423).

The spelling of 11211330212 in words is "eleven billion, two hundred eleven million, three hundred thirty thousand, two hundred twelve".