12011021302221 has 32 divisors (see below), whose sum is σ = 18086256988800. Its totient is φ = 7875885882240.

The previous prime is 12011021302213. The next prime is 12011021302303. The reversal of 12011021302221 is 12220312011021.

12011021302221 is a `hidden beast` number, since 12 + 0 + 110 + 21 + 302 + 221 = 666.

12011021302221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12011021302221 - 2³ = 12011021302213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011021302194 and 12011021302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011021302211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102627025 + ... + 102743993.

It is an arithmetic number, because the mean of its divisors is an integer number (565195530900).

Almost surely, 2^{12011021302221} is an apocalyptic number.

It is an amenable number.

12011021302221 is a deficient number, since it is larger than the sum of its proper divisors (6075235686579).

12011021302221 is a wasteful number, since it uses less digits than its factorization.

12011021302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179386 (or 179380 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12011021302221 its reverse (12220312011021), we get a palindrome (24231333313242).

The spelling of 12011021302221 in words is "twelve trillion, eleven billion, twenty-one million, three hundred two thousand, two hundred twenty-one".