105721116104 has 32 divisors (see below), whose sum is σ = 207211699200. Its totient is φ = 50507832960.

The previous prime is 105721116097. The next prime is 105721116113. The reversal of 105721116104 is 401611127501.

It is a super-2 number, since 2×105721116104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678477 + ... + 2717660.

It is an arithmetic number, because the mean of its divisors is an integer number (6475365600).

Almost surely, 2^105721116104 is an apocalyptic number.

It is an amenable number.

105721116104 is a deficient number, since it is larger than the sum of its proper divisors (101490583096).

105721116104 is a wasteful number, since it uses less digits than its factorization.

105721116104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396253 (or 5396249 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

The spelling of 105721116104 in words is "one hundred five billion, seven hundred twenty-one million, one hundred sixteen thousand, one hundred four".