105146111 has 6 divisors (see below), whose sum is σ = 122312880. Its totient is φ = 90125196.

The previous prime is 105146081. The next prime is 105146123. The reversal of 105146111 is 111641501.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-105146111 is a prime.

It is a super-2 number, since 2×105146111² = 22111409316848642, which 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 (105140111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1072871 + ... + 1072968.

It is an arithmetic number, because the mean of its divisors is an integer number (20385480).

Almost surely, 2^105146111 is an apocalyptic number.

105146111 is a deficient number, since it is larger than the sum of its proper divisors (17166769).

105146111 is an equidigital number, since it uses as much as digits as its factorization.

105146111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145853 (or 2145846 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 105146111 is about 10254.0777742321. The cubic root of 105146111 is about 471.9881242224.

Adding to 105146111 its reverse (111641501), we get a palindrome (216787612).

The spelling of 105146111 in words is "one hundred five million, one hundred forty-six thousand, one hundred eleven".