21141041367 has 4 divisors (see below), whose sum is σ = 28188055160. Its totient is φ = 14094027576.

The previous prime is 21141041359. The next prime is 21141041381. The reversal of 21141041367 is 76314014112.

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

It is not a de Polignac number, because 21141041367 - 2³ = 21141041359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141041347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523506892 + ... + 3523506897.

It is an arithmetic number, because the mean of its divisors is an integer number (7047013790).

Almost surely, 2^21141041367 is an apocalyptic number.

21141041367 is a deficient number, since it is larger than the sum of its proper divisors (7047013793).

21141041367 is an equidigital number, since it uses as much as digits as its factorization.

21141041367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047013792.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 21141041367 its reverse (76314014112), we get a palindrome (97455055479).

The spelling of 21141041367 in words is "twenty-one billion, one hundred forty-one million, forty-one thousand, three hundred sixty-seven".