21104364271 has 8 divisors (see below), whose sum is σ = 21906622080. Its totient is φ = 20307074592.

The previous prime is 21104364223. The next prime is 21104364283. The reversal of 21104364271 is 17246340112.

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

It is a cyclic number.

It is not a de Polignac number, because 21104364271 - 2¹³ = 21104356079 is a prime.

It is a super-2 number, since 2×21104364271² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104314271) 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, 1233375 + ... + 1250368.

It is an arithmetic number, because the mean of its divisors is an integer number (2738327760).

Almost surely, 2^21104364271 is an apocalyptic number.

21104364271 is a deficient number, since it is larger than the sum of its proper divisors (802257809).

21104364271 is a wasteful number, since it uses less digits than its factorization.

21104364271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484065.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 21104364271 in words is "twenty-one billion, one hundred four million, three hundred sixty-four thousand, two hundred seventy-one".