11221022120211 has 12 divisors (see below), whose sum is σ = 16208562261840. Its totient is φ = 7480487936880.

The previous prime is 11221022120201. The next prime is 11221022120233. The reversal of 11221022120211 is 11202122012211.

11221022120211 is a `hidden beast` number, since 1 + 1 + 2 + 210 + 221 + 20 + 211 = 666.

It is not a de Polignac number, because 11221022120211 - 2¹⁹ = 11221021595923 is a prime.

It is a super-2 number, since 2×11221022120211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221022120201) 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, 15755296 + ... + 16452093.

It is an arithmetic number, because the mean of its divisors is an integer number (1350713521820).

Almost surely, 2^{11221022120211} is an apocalyptic number.

11221022120211 is a deficient number, since it is larger than the sum of its proper divisors (4987540141629).

11221022120211 is a wasteful number, since it uses less digits than its factorization.

11221022120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32246106 (or 32246103 counting only the distinct ones).

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

Adding to 11221022120211 its reverse (11202122012211), we get a palindrome (22423144132422).

The spelling of 11221022120211 in words is "eleven trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty thousand, two hundred eleven".