101111005 has 4 divisors (see below), whose sum is σ = 121333212. Its totient is φ = 80888800.

The previous prime is 101110993. The next prime is 101111011. The reversal of 101111005 is 500111101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54952569 + 46158436 = 7413^2 + 6794^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101111005 is a prime.

It is a super-2 number, since 2×101111005² = 20446870664220050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110982 and 101111000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111096 + ... + 10111105.

It is an arithmetic number, because the mean of its divisors is an integer number (30333303).

Almost surely, 2^101111005 is an apocalyptic number.

It is an amenable number.

101111005 is a deficient number, since it is larger than the sum of its proper divisors (20222207).

101111005 is an equidigital number, since it uses as much as digits as its factorization.

101111005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222206.

The product of its (nonzero) digits is 5, while the sum is 10.

The square root of 101111005 is about 10055.3968096739. The cubic root of 101111005 is about 465.8714993181.

Adding to 101111005 its reverse (500111101), we get a palindrome (601222106).

The spelling of 101111005 in words is "one hundred one million, one hundred eleven thousand, five".