221441410143 has 16 divisors (see below), whose sum is σ = 328418361600. Its totient is φ = 147466950840.

The previous prime is 221441410081. The next prime is 221441410147. The reversal of 221441410143 is 341014144122.

221441410143 is a `hidden beast` number, since 221 + 4 + 414 + 10 + 14 + 3 = 666.

It is not a de Polignac number, because 221441410143 - 2⁶ = 221441410079 is a prime.

It is a super-2 number, since 2×221441410143² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221441410147) 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, 4437393 + ... + 4487018.

It is an arithmetic number, because the mean of its divisors is an integer number (20526147600).

Almost surely, 2^221441410143 is an apocalyptic number.

221441410143 is a deficient number, since it is larger than the sum of its proper divisors (106976951457).

221441410143 is an equidigital number, since it uses as much as digits as its factorization.

221441410143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925339 (or 8925333 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 221441410143 its reverse (341014144122), we get a palindrome (562455554265).

The spelling of 221441410143 in words is "two hundred twenty-one billion, four hundred forty-one million, four hundred ten thousand, one hundred forty-three".