11212110010221 has 8 divisors (see below), whose sum is σ = 15002305032480. Its totient is φ = 7448327497392.

The previous prime is 11212110010217. The next prime is 11212110010331. The reversal of 11212110010221 is 12201001121211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11212110010221 - 2² = 11212110010217 is a prime.

It is a super-2 number, since 2×11212110010221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11212110010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212110010121) 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 in 7 ways as a sum of consecutive naturals, for example, 6603126366 + ... + 6603128063.

It is an arithmetic number, because the mean of its divisors is an integer number (1875288129060).

Almost surely, 2^{11212110010221} is an apocalyptic number.

It is an amenable number.

11212110010221 is a deficient number, since it is larger than the sum of its proper divisors (3790195022259).

11212110010221 is a wasteful number, since it uses less digits than its factorization.

11212110010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13206254715.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11212110010221 its reverse (12201001121211), we get a palindrome (23413111131432).

The spelling of 11212110010221 in words is "eleven trillion, two hundred twelve billion, one hundred ten million, ten thousand, two hundred twenty-one".