106521716722 has 4 divisors (see below), whose sum is σ = 159782575086. Its totient is φ = 53260858360.

The previous prime is 106521716713. The next prime is 106521716801. The reversal of 106521716722 is 227617125601.

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., 101659583281 + 4862133441 = 318841^2 + 69729^2 .

It is a super-2 number, since 2×106521716722² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 26630429179 + ... + 26630429182.

Almost surely, 2^106521716722 is an apocalyptic number.

106521716722 is a deficient number, since it is larger than the sum of its proper divisors (53260858364).

106521716722 is an equidigital number, since it uses as much as digits as its factorization.

106521716722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53260858363.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 106521716722 in words is "one hundred six billion, five hundred twenty-one million, seven hundred sixteen thousand, seven hundred twenty-two".