12221101120011 has 24 divisors (see below), whose sum is σ = 18981912497040. Its totient is φ = 6973636525632.

The previous prime is 12221101119989. The next prime is 12221101120093. The reversal of 12221101120011 is 11002110112221.

It is a happy number.

It is not a de Polignac number, because 12221101120011 - 2⁷ = 12221101119883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221101125011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58525356 + ... + 58733801.

It is an arithmetic number, because the mean of its divisors is an integer number (790913020710).

Almost surely, 2^{12221101120011} is an apocalyptic number.

12221101120011 is a deficient number, since it is larger than the sum of its proper divisors (6760811377029).

12221101120011 is a wasteful number, since it uses less digits than its factorization.

12221101120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117259883 (or 117259876 counting only the distinct ones).

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

Adding to 12221101120011 its reverse (11002110112221), we get a palindrome (23223211232232).

The spelling of 12221101120011 in words is "twelve trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty thousand, eleven".