11021330212 has 24 divisors (see below), whose sum is σ = 19773095832. Its totient is φ = 5372083200.

The previous prime is 11021330179. The next prime is 11021330239. The reversal of 11021330212 is 21203312011.

It can be written as a sum of positive squares in 4 ways, for example, as 1748410596 + 9272919616 = 41814^2 + 96296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191208 + ... + 242080.

It is an arithmetic number, because the mean of its divisors is an integer number (823878993).

Almost surely, 2^11021330212 is an apocalyptic number.

It is an amenable number.

11021330212 is a deficient number, since it is larger than the sum of its proper divisors (8751765620).

11021330212 is a wasteful number, since it uses less digits than its factorization.

11021330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52239 (or 52237 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11021330212 its reverse (21203312011), we get a palindrome (32224642223).

The spelling of 11021330212 in words is "eleven billion, twenty-one million, three hundred thirty thousand, two hundred twelve".