11221202110221 has 12 divisors (see below), whose sum is σ = 16208761099648. Its totient is φ = 7480636152264.

The previous prime is 11221202110211. The next prime is 11221202110303. The reversal of 11221202110221 is 12201120212211.

11221202110221 is a `hidden beast` number, since 11 + 221 + 2 + 0 + 211 + 0 + 221 = 666.

It is not a de Polignac number, because 11221202110221 - 2¹⁹ = 11221201585933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221202110194 and 11221202110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221202110211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13340455 + ... + 14156628.

Almost surely, 2^{11221202110221} is an apocalyptic number.

It is an amenable number.

11221202110221 is a deficient number, since it is larger than the sum of its proper divisors (4987558989427).

11221202110221 is a wasteful number, since it uses less digits than its factorization.

11221202110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27542432 (or 27542429 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11221202110221 its reverse (12201120212211), we get a palindrome (23422322322432).

The spelling of 11221202110221 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, one hundred ten thousand, two hundred twenty-one".