101200011005 has 4 divisors (see below), whose sum is σ = 121440013212. Its totient is φ = 80960008800.

The previous prime is 101200010983. The next prime is 101200011041. The reversal of 101200011005 is 500110002101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500110002101 = 30893 ⋅16188457.

It can be written as a sum of positive squares in 2 ways, for example, as 16959592441 + 84240418564 = 130229^2 + 290242^2 .

It is not a de Polignac number, because 101200011005 - 2⁸ = 101200010749 is a prime.

It is a super-2 number, since 2×101200011005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 10120001096 + ... + 10120001105.

It is an arithmetic number, because the mean of its divisors is an integer number (30360003303).

Almost surely, 2^101200011005 is an apocalyptic number.

It is an amenable number.

101200011005 is a deficient number, since it is larger than the sum of its proper divisors (20240002207).

101200011005 is an equidigital number, since it uses as much as digits as its factorization.

101200011005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20240002206.

The product of its (nonzero) digits is 10, while the sum is 11.

Adding to 101200011005 its reverse (500110002101), we get a palindrome (601310013106).

The spelling of 101200011005 in words is "one hundred one billion, two hundred million, eleven thousand, five".