105398921104 has 15 divisors (see below), whose sum is σ = 204212925723. Its totient is φ = 52698811248.

The previous prime is 105398921087. The next prime is 105398921119. The reversal of 105398921104 is 401129893501.

The square root of 105398921104 is 324652.

It is a perfect power (a square), and thus also a powerful number.

105398921104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105398921104² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1258027 + ... + 1339189.

Almost surely, 2^105398921104 is an apocalyptic number.

105398921104 is the 324652-nd square number.

It is an amenable number.

105398921104 is a deficient number, since it is larger than the sum of its proper divisors (98814004619).

105398921104 is an frugal number, since it uses more digits than its factorization.

105398921104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162334 (or 81165 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 105398921104 in words is "one hundred five billion, three hundred ninety-eight million, nine hundred twenty-one thousand, one hundred four".