11001211100212 has 12 divisors (see below), whose sum is σ = 19252153409860. Its totient is φ = 5500595840256.

The previous prime is 11001211100179. The next prime is 11001211100213. The reversal of 11001211100212 is 21200111210011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2308466964496 + 8692744135716 = 1519364^2 + 2948346^2 .

It is a super-3 number, since 3×11001211100212³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11001211100192 and 11001211100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001211100213) 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 in 3 ways as a sum of consecutive naturals, for example, 519214 + ... + 4719322.

Almost surely, 2^{11001211100212} is an apocalyptic number.

It is an amenable number.

11001211100212 is a deficient number, since it is larger than the sum of its proper divisors (8250942309648).

11001211100212 is a wasteful number, since it uses less digits than its factorization.

11001211100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854930 (or 4854928 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001211100212 its reverse (21200111210011), we get a palindrome (32201322310223).

The spelling of 11001211100212 in words is "eleven trillion, one billion, two hundred eleven million, one hundred thousand, two hundred twelve".