211413130221 has 24 divisors (see below), whose sum is σ = 298709647936. Its totient is φ = 132967327680.

The previous prime is 211413130199. The next prime is 211413130249. The reversal of 211413130221 is 122031314112.

It is not a de Polignac number, because 211413130221 - 2¹³ = 211413122029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211413130421) 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, 796585 + ... + 1028286.

Almost surely, 2^211413130221 is an apocalyptic number.

It is an amenable number.

211413130221 is a deficient number, since it is larger than the sum of its proper divisors (87296517715).

211413130221 is a wasteful number, since it uses less digits than its factorization.

211413130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824993 (or 1824970 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211413130221 its reverse (122031314112), we get a palindrome (333444444333).

The spelling of 211413130221 in words is "two hundred eleven billion, four hundred thirteen million, one hundred thirty thousand, two hundred twenty-one".