105117210671 has 4 divisors (see below), whose sum is σ = 114673320744. Its totient is φ = 95561100600.

The previous prime is 105117210619. The next prime is 105117210677. The reversal of 105117210671 is 176012711501.

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

It is a cyclic number.

It is not a de Polignac number, because 105117210671 - 2⁶ = 105117210607 is a prime.

It is a super-2 number, since 2×105117210671² (a number of 23 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 (105117210677) 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, 4778055020 + ... + 4778055041.

It is an arithmetic number, because the mean of its divisors is an integer number (28668330186).

Almost surely, 2^105117210671 is an apocalyptic number.

105117210671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105117210671 is a deficient number, since it is larger than the sum of its proper divisors (9556110073).

105117210671 is an equidigital number, since it uses as much as digits as its factorization.

105117210671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9556110072.

The product of its (nonzero) digits is 2940, while the sum is 32.

The spelling of 105117210671 in words is "one hundred five billion, one hundred seventeen million, two hundred ten thousand, six hundred seventy-one".