101105505001 has 4 divisors (see below), whose sum is σ = 102385321600. Its totient is φ = 99825688404.

The previous prime is 101105504989. The next prime is 101105505041. The reversal of 101105505001 is 100505501101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100505501101 = 139 ⋅723061159.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101105505001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101105505001.

It is not an unprimeable number, because it can be changed into a prime (101105505041) 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, 639908181 + ... + 639908338.

It is an arithmetic number, because the mean of its divisors is an integer number (25596330400).

Almost surely, 2^101105505001 is an apocalyptic number.

It is an amenable number.

101105505001 is a deficient number, since it is larger than the sum of its proper divisors (1279816599).

101105505001 is an equidigital number, since it uses as much as digits as its factorization.

101105505001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279816598.

The product of its (nonzero) digits is 125, while the sum is 19.

The spelling of 101105505001 in words is "one hundred one billion, one hundred five million, five hundred five thousand, one".