11221002010221 has 8 divisors (see below), whose sum is σ = 14961726466080. Its totient is φ = 7480472780592.

The previous prime is 11221002010217. The next prime is 11221002010259. The reversal of 11221002010221 is 12201020012211.

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

It is not a de Polignac number, because 11221002010221 - 2² = 11221002010217 is a prime.

It is a super-2 number, since 2×11221002010221² (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 11221002010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221002010261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48672391 + ... + 48902388.

It is an arithmetic number, because the mean of its divisors is an integer number (1870215808260).

Almost surely, 2^{11221002010221} is an apocalyptic number.

It is an amenable number.

11221002010221 is a deficient number, since it is larger than the sum of its proper divisors (3740724455859).

11221002010221 is an equidigital number, since it uses as much as digits as its factorization.

11221002010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97613115.

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

Adding to 11221002010221 its reverse (12201020012211), we get a palindrome (23422022022432).

The spelling of 11221002010221 in words is "eleven trillion, two hundred twenty-one billion, two million, ten thousand, two hundred twenty-one".