211413100221 has 16 divisors (see below), whose sum is σ = 314504206720. Its totient is φ = 140357240640.

The previous prime is 211413100193. The next prime is 211413100259. The reversal of 211413100221 is 122001314112.

211413100221 is a `hidden beast` number, since 21 + 1 + 413 + 10 + 0 + 221 = 666.

It is not a de Polignac number, because 211413100221 - 2¹⁴ = 211413083837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211413100194 and 211413100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211413100271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16238545 + ... + 16251558.

It is an arithmetic number, because the mean of its divisors is an integer number (19656512920).

Almost surely, 2^211413100221 is an apocalyptic number.

It is an amenable number.

211413100221 is a deficient number, since it is larger than the sum of its proper divisors (103091106499).

211413100221 is a wasteful number, since it uses less digits than its factorization.

211413100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32490353 (or 32490347 counting only the distinct ones).

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

Adding to 211413100221 its reverse (122001314112), we get a palindrome (333414414333).

The spelling of 211413100221 in words is "two hundred eleven billion, four hundred thirteen million, one hundred thousand, two hundred twenty-one".