11211320330212 has 6 divisors (see below), whose sum is σ = 19619810577878. Its totient is φ = 5605660165104.

The previous prime is 11211320330167. The next prime is 11211320330233. The reversal of 11211320330212 is 21203302311211.

It can be written as a sum of positive squares in only one way, i.e., 7961787728896 + 3249532601316 = 2821664^2 + 1802646^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401415041273 + ... + 1401415041280.

Almost surely, 2^{11211320330212} is an apocalyptic number.

It is an amenable number.

11211320330212 is a deficient number, since it is larger than the sum of its proper divisors (8408490247666).

11211320330212 is a wasteful number, since it uses less digits than its factorization.

11211320330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802830082557 (or 2802830082555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11211320330212 its reverse (21203302311211), we get a palindrome (32414622641423).

The spelling of 11211320330212 in words is "eleven trillion, two hundred eleven billion, three hundred twenty million, three hundred thirty thousand, two hundred twelve".