11020213213312 has 16 divisors (see below), whose sum is σ = 21954331011150. Its totient is φ = 5510106606592.

The previous prime is 11020213213279. The next prime is 11020213213313. The reversal of 11020213213312 is 21331231202011.

It can be written as a sum of positive squares in only one way, i.e., 7350475302976 + 3669737910336 = 2711176^2 + 1915656^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (11020213213313) by changing a digit.

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, 43047707737 + ... + 43047707992.

Almost surely, 2^{11020213213312} is an apocalyptic number.

It is an amenable number.

11020213213312 is a deficient number, since it is larger than the sum of its proper divisors (10934117797838).

11020213213312 is an frugal number, since it uses more digits than its factorization.

11020213213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86095415743 (or 86095415731 counting only the distinct ones).

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

Adding to 11020213213312 its reverse (21331231202011), we get a palindrome (32351444415323).

The spelling of 11020213213312 in words is "eleven trillion, twenty billion, two hundred thirteen million, two hundred thirteen thousand, three hundred twelve".