105550101 has 8 divisors (see below), whose sum is σ = 156370560. Its totient is φ = 70366716.

The previous prime is 105550097. The next prime is 105550103. The reversal of 105550101 is 101055501.

105550101 is a `hidden beast` number, since 10 + 5 + 550 + 101 = 666.

It is not a de Polignac number, because 105550101 - 2² = 105550097 is a prime.

It is a super-2 number, since 2×105550101² = 22281647642220402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954605 + ... + 1954658.

It is an arithmetic number, because the mean of its divisors is an integer number (19546320).

Almost surely, 2^105550101 is an apocalyptic number.

It is an amenable number.

105550101 is a deficient number, since it is larger than the sum of its proper divisors (50820459).

105550101 is an equidigital number, since it uses as much as digits as its factorization.

105550101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909272 (or 3909266 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 105550101 is about 10273.7578811261. The cubic root of 105550101 is about 472.5918390391.

The spelling of 105550101 in words is "one hundred five million, five hundred fifty thousand, one hundred one".