21141241143 has 8 divisors (see below), whose sum is σ = 30750896256. Its totient is φ = 12812873400.

The previous prime is 21141241133. The next prime is 21141241217. The reversal of 21141241143 is 34114214112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21141241143 - 2⁵ = 21141241111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141241133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320321803 + ... + 320321868.

It is an arithmetic number, because the mean of its divisors is an integer number (3843862032).

Almost surely, 2^21141241143 is an apocalyptic number.

21141241143 is a deficient number, since it is larger than the sum of its proper divisors (9609655113).

21141241143 is a wasteful number, since it uses less digits than its factorization.

21141241143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640643685.

The product of its digits is 768, while the sum is 24.

Adding to 21141241143 its reverse (34114214112), we get a palindrome (55255455255).

The spelling of 21141241143 in words is "twenty-one billion, one hundred forty-one million, two hundred forty-one thousand, one hundred forty-three".