221441011411 has 4 divisors (see below), whose sum is σ = 222359854024. Its totient is φ = 220522168800.

The previous prime is 221441011369. The next prime is 221441011469. The reversal of 221441011411 is 114110144122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221441011411 - 2⁹ = 221441010899 is a prime.

It is a super-2 number, since 2×221441011411² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221441011471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459420945 + ... + 459421426.

It is an arithmetic number, because the mean of its divisors is an integer number (55589963506).

Almost surely, 2^221441011411 is an apocalyptic number.

221441011411 is a deficient number, since it is larger than the sum of its proper divisors (918842613).

221441011411 is an equidigital number, since it uses as much as digits as its factorization.

221441011411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918842612.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 221441011411 its reverse (114110144122), we get a palindrome (335551155533).

The spelling of 221441011411 in words is "two hundred twenty-one billion, four hundred forty-one million, eleven thousand, four hundred eleven".