211002332213221 has 8 divisors (see below), whose sum is σ = 222182678596320. Its totient is φ = 199829481877872.

The previous prime is 211002332213207. The next prime is 211002332213227. The reversal of 211002332213221 is 122312233200112.

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 211002332213221 - 2²⁷ = 211002197995493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002332213227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873954150 + ... + 1874066743.

It is an arithmetic number, because the mean of its divisors is an integer number (27772834824540).

Almost surely, 2^{211002332213221} is an apocalyptic number.

It is an amenable number.

211002332213221 is a deficient number, since it is larger than the sum of its proper divisors (11180346383099).

211002332213221 is a wasteful number, since it uses less digits than its factorization.

211002332213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748023875.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 211002332213221 its reverse (122312233200112), we get a palindrome (333314565413333).

The spelling of 211002332213221 in words is "two hundred eleven trillion, two billion, three hundred thirty-two million, two hundred thirteen thousand, two hundred twenty-one".