21017637130114 has 8 divisors (see below), whose sum is σ = 31529861411148. Its totient is φ = 10507683326400.

The previous prime is 21017637130099. The next prime is 21017637130211. The reversal of 21017637130114 is 41103173671012.

It can be written as a sum of positive squares in 2 ways, for example, as 18140145765625 + 2877491364489 = 4259125^2 + 1696317^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567596187 + ... + 567633214.

Almost surely, 2^{21017637130114} is an apocalyptic number.

21017637130114 is a deficient number, since it is larger than the sum of its proper divisors (10512224281034).

21017637130114 is a wasteful number, since it uses less digits than its factorization.

21017637130114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135238660.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 21017637130114 in words is "twenty-one trillion, seventeen billion, six hundred thirty-seven million, one hundred thirty thousand, one hundred fourteen".