10101011005 has 4 divisors (see below), whose sum is σ = 12121213212. Its totient is φ = 8080808800.

The previous prime is 10101010999. The next prime is 10101011009. The reversal of 10101011005 is 50011010101.

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 2622566521 + 7478444484 = 51211^2 + 86478^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10101011005 is a prime.

It is a super-2 number, since 2×10101011005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101010982 and 10101011000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101011009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010101096 + ... + 1010101105.

It is an arithmetic number, because the mean of its divisors is an integer number (3030303303).

Almost surely, 2^10101011005 is an apocalyptic number.

It is an amenable number.

10101011005 is a deficient number, since it is larger than the sum of its proper divisors (2020202207).

10101011005 is an equidigital number, since it uses as much as digits as its factorization.

10101011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020202206.

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

Adding to 10101011005 its reverse (50011010101), we get a palindrome (60112021106).

The spelling of 10101011005 in words is "ten billion, one hundred one million, eleven thousand, five".