101001056105 has 4 divisors (see below), whose sum is σ = 121201267332. Its totient is φ = 80800844880.

The previous prime is 101001056077. The next prime is 101001056119. The reversal of 101001056105 is 501650100101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501650100101 = 599 ⋅837479299.

It can be written as a sum of positive squares in 2 ways, for example, as 26598674281 + 74402381824 = 163091^2 + 272768^2 .

It is not a de Polignac number, because 101001056105 - 2⁸ = 101001055849 is a prime.

It is a Duffinian number.

It is a Curzon 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, 10100105606 + ... + 10100105615.

It is an arithmetic number, because the mean of its divisors is an integer number (30300316833).

Almost surely, 2^101001056105 is an apocalyptic number.

It is an amenable number.

101001056105 is a deficient number, since it is larger than the sum of its proper divisors (20200211227).

101001056105 is an equidigital number, since it uses as much as digits as its factorization.

101001056105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200211226.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 101001056105 its reverse (501650100101), we get a palindrome (602651156206).

The spelling of 101001056105 in words is "one hundred one billion, one million, fifty-six thousand, one hundred five".