11212002010221 has 16 divisors (see below), whose sum is σ = 16661798654400. Its totient is φ = 6664719460608.

The previous prime is 11212002010171. The next prime is 11212002010277. The reversal of 11212002010221 is 12201020021211.

It is not a de Polignac number, because 11212002010221 - 2²⁶ = 11211934901357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11212002010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212002010721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5785345786 + ... + 5785347723.

It is an arithmetic number, because the mean of its divisors is an integer number (1041362415900).

Almost surely, 2^{11212002010221} is an apocalyptic number.

It is an amenable number.

11212002010221 is a deficient number, since it is larger than the sum of its proper divisors (5449796644179).

11212002010221 is a wasteful number, since it uses less digits than its factorization.

11212002010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11570693548.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212002010221 its reverse (12201020021211), we get a palindrome (23413022031432).

The spelling of 11212002010221 in words is "eleven trillion, two hundred twelve billion, two million, ten thousand, two hundred twenty-one".