100505105050106 has 4 divisors (see below), whose sum is σ = 150757657575162. Its totient is φ = 50252552525052.

The previous prime is 100505105049983. The next prime is 100505105050109. The reversal of 100505105050106 is 601050501505001.

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., 79332600403225 + 21172504646881 = 8906885^2 + 4601359^2 .

It is a super-2 number, since 2×100505105050106² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100505105050109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25126276262525 + ... + 25126276262528.

Almost surely, 2^{100505105050106} is an apocalyptic number.

100505105050106 is a deficient number, since it is larger than the sum of its proper divisors (50252552525056).

100505105050106 is an equidigital number, since it uses as much as digits as its factorization.

100505105050106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50252552525055.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 100505105050106 its reverse (601050501505001), we get a palindrome (701555606555107).

The spelling of 100505105050106 in words is "one hundred trillion, five hundred five billion, one hundred five million, fifty thousand, one hundred six".