100106100506 has 4 divisors (see below), whose sum is σ = 150159150762. Its totient is φ = 50053050252.

The previous prime is 100106100481. The next prime is 100106100509. The reversal of 100106100506 is 605001601001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89964603481 + 10141497025 = 299941^2 + 100705^2 .

It is not an unprimeable number, because it can be changed into a prime (100106100509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25026525125 + ... + 25026525128.

Almost surely, 2^100106100506 is an apocalyptic number.

100106100506 is a deficient number, since it is larger than the sum of its proper divisors (50053050256).

100106100506 is an equidigital number, since it uses as much as digits as its factorization.

100106100506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50053050255.

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

Adding to 100106100506 its reverse (605001601001), we get a palindrome (705107701507).

The spelling of 100106100506 in words is "one hundred billion, one hundred six million, one hundred thousand, five hundred six".