221413411611 has 12 divisors (see below), whose sum is σ = 365507854192. Its totient is φ = 126521949456.

The previous prime is 221413411603. The next prime is 221413411613. The reversal of 221413411611 is 116114314122.

It is a happy number.

221413411611 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 1 + 3 + 41 + 1 + 611 = 666.

It is not a de Polignac number, because 221413411611 - 2³ = 221413411603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221413411613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1757249236 + ... + 1757249361.

Almost surely, 2^221413411611 is an apocalyptic number.

221413411611 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

221413411611 is a deficient number, since it is larger than the sum of its proper divisors (144094442581).

221413411611 is a wasteful number, since it uses less digits than its factorization.

221413411611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514498610 (or 3514498607 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 221413411611 its reverse (116114314122), we get a palindrome (337527725733).

The spelling of 221413411611 in words is "two hundred twenty-one billion, four hundred thirteen million, four hundred eleven thousand, six hundred eleven".