11012202221212 has 6 divisors (see below), whose sum is σ = 19271353887128. Its totient is φ = 5506101110604.

The previous prime is 11012202221161. The next prime is 11012202221213. The reversal of 11012202221212 is 21212220221011.

It is a self number, because there is not a number n which added to its sum of digits gives 11012202221212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012202221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376525277648 + ... + 1376525277655.

Almost surely, 2^{11012202221212} is an apocalyptic number.

It is an amenable number.

11012202221212 is a deficient number, since it is larger than the sum of its proper divisors (8259151665916).

11012202221212 is a wasteful number, since it uses less digits than its factorization.

11012202221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753050555307 (or 2753050555305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11012202221212 its reverse (21212220221011), we get a palindrome (32224422442223).

The spelling of 11012202221212 in words is "eleven trillion, twelve billion, two hundred two million, two hundred twenty-one thousand, two hundred twelve".