2011302232221 has 8 divisors (see below), whose sum is σ = 2839485504384. Its totient is φ = 1261993557440.

The previous prime is 2011302232211. The next prime is 2011302232241. The reversal of 2011302232221 is 1222322031102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011302232221 - 2⁶ = 2011302232157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011302232211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19718649285 + ... + 19718649386.

It is an arithmetic number, because the mean of its divisors is an integer number (354935688048).

Almost surely, 2^{2011302232221} is an apocalyptic number.

It is an amenable number.

2011302232221 is a deficient number, since it is larger than the sum of its proper divisors (828183272163).

2011302232221 is a wasteful number, since it uses less digits than its factorization.

2011302232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437298691.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2011302232221 its reverse (1222322031102), we get a palindrome (3233624263323).

The spelling of 2011302232221 in words is "two trillion, eleven billion, three hundred two million, two hundred thirty-two thousand, two hundred twenty-one".