100505501101 has 4 divisors (see below), whose sum is σ = 101228562400. Its totient is φ = 99782439804.

The previous prime is 100505501093. The next prime is 100505501137. The reversal of 100505501101 is 101105505001.

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: 101105505001 = 79 ⋅1279816519.

It is a cyclic number.

It is not a de Polignac number, because 100505501101 - 2³ = 100505501093 is a prime.

It is a super-2 number, since 2×100505501101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505501141) 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, 361530441 + ... + 361530718.

It is an arithmetic number, because the mean of its divisors is an integer number (25307140600).

Almost surely, 2^100505501101 is an apocalyptic number.

It is an amenable number.

100505501101 is a deficient number, since it is larger than the sum of its proper divisors (723061299).

100505501101 is an equidigital number, since it uses as much as digits as its factorization.

100505501101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723061298.

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

The spelling of 100505501101 in words is "one hundred billion, five hundred five million, five hundred one thousand, one hundred one".