105442211 has 8 divisors (see below), whose sum is σ = 127594080. Its totient is φ = 85062528.

The previous prime is 105442199. The next prime is 105442213. The reversal of 105442211 is 112244501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105442211 - 2²² = 101247907 is a prime.

It is a super-2 number, since 2×105442211² = 22236119721137042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105442213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442916 + ... + 443153.

It is an arithmetic number, because the mean of its divisors is an integer number (15949260).

Almost surely, 2^105442211 is an apocalyptic number.

105442211 is a deficient number, since it is larger than the sum of its proper divisors (22151869).

105442211 is an equidigital number, since it uses as much as digits as its factorization.

105442211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886093.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 105442211 is about 10268.5057822450. The cubic root of 105442211 is about 472.4307612961.

Adding to 105442211 its reverse (112244501), we get a palindrome (217686712).

The spelling of 105442211 in words is "one hundred five million, four hundred forty-two thousand, two hundred eleven".