100506100601 has 4 divisors (see below), whose sum is σ = 100944992100. Its totient is φ = 100067209104.

The previous prime is 100506100577. The next prime is 100506100619. The reversal of 100506100601 is 106001605001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106001605001 = 109 ⋅972491789.

It can be written as a sum of positive squares in 2 ways, for example, as 37587903376 + 62918197225 = 193876^2 + 250835^2 .

It is a cyclic number.

It is not a de Polignac number, because 100506100601 - 2¹⁸ = 100505838457 is a prime.

It is a super-2 number, since 2×100506100601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100506100621) 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, 219445406 + ... + 219445863.

It is an arithmetic number, because the mean of its divisors is an integer number (25236248025).

Almost surely, 2^100506100601 is an apocalyptic number.

It is an amenable number.

100506100601 is a deficient number, since it is larger than the sum of its proper divisors (438891499).

100506100601 is an equidigital number, since it uses as much as digits as its factorization.

100506100601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438891498.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 100506100601 its reverse (106001605001), we get a palindrome (206507705602).

The spelling of 100506100601 in words is "one hundred billion, five hundred six million, one hundred thousand, six hundred one".