221214144411 has 24 divisors (see below), whose sum is σ = 346033331280. Its totient is φ = 135371255616.

The previous prime is 221214144409. The next prime is 221214144413. The reversal of 221214144411 is 114441412122.

221214144411 is a `hidden beast` number, since 2 + 2 + 1 + 214 + 1 + 4 + 441 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (221214144409) and next prime (221214144413).

It is not a de Polignac number, because 221214144411 - 2¹ = 221214144409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221214144413) 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, 5260396 + ... + 5302281.

It is an arithmetic number, because the mean of its divisors is an integer number (14418055470).

Almost surely, 2^221214144411 is an apocalyptic number.

221214144411 is a deficient number, since it is larger than the sum of its proper divisors (124819186869).

221214144411 is a wasteful number, since it uses less digits than its factorization.

221214144411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562875 (or 10562872 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 221214144411 its reverse (114441412122), we get a palindrome (335655556533).

The spelling of 221214144411 in words is "two hundred twenty-one billion, two hundred fourteen million, one hundred forty-four thousand, four hundred eleven".