101042205106 has 4 divisors (see below), whose sum is σ = 151563307662. Its totient is φ = 50521102552.

The previous prime is 101042205083. The next prime is 101042205109. The reversal of 101042205106 is 601502240101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601502240101 = 7 ⋅85928891443.

It can be written as a sum of positive squares in only one way, i.e., 81793140025 + 19249065081 = 285995^2 + 138741^2 .

It is not an unprimeable number, because it can be changed into a prime (101042205109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25260551275 + ... + 25260551278.

Almost surely, 2^101042205106 is an apocalyptic number.

101042205106 is a deficient number, since it is larger than the sum of its proper divisors (50521102556).

101042205106 is an equidigital number, since it uses as much as digits as its factorization.

101042205106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50521102555.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 101042205106 its reverse (601502240101), we get a palindrome (702544445207).

The spelling of 101042205106 in words is "one hundred one billion, forty-two million, two hundred five thousand, one hundred six".