21141318107667 has 8 divisors (see below), whose sum is σ = 28199991007696. Its totient is φ = 14088428639712.

The previous prime is 21141318107629. The next prime is 21141318107669. The reversal of 21141318107667 is 76670181314112.

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

It is not a de Polignac number, because 21141318107667 - 2²⁴ = 21141301330451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21141318107669) 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, 1445849488 + ... + 1445864109.

It is an arithmetic number, because the mean of its divisors is an integer number (3524998875962).

Almost surely, 2^{21141318107667} is an apocalyptic number.

21141318107667 is a deficient number, since it is larger than the sum of its proper divisors (7058672900029).

21141318107667 is a wasteful number, since it uses less digits than its factorization.

21141318107667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891716037.

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 21141318107667 in words is "twenty-one trillion, one hundred forty-one billion, three hundred eighteen million, one hundred seven thousand, six hundred sixty-seven".