101816315218 has 8 divisors (see below), whose sum is σ = 152734180860. Its totient is φ = 50904921600.

The previous prime is 101816315191. The next prime is 101816315297. The reversal of 101816315218 is 812513618101.

It can be written as a sum of positive squares in 2 ways, for example, as 101068675569 + 747639649 = 317913^2 + 27343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101816315218² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578483 + ... + 1641718.

Almost surely, 2^101816315218 is an apocalyptic number.

101816315218 is a deficient number, since it is larger than the sum of its proper divisors (50917865642).

101816315218 is a wasteful number, since it uses less digits than its factorization.

101816315218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236012.

The product of its (nonzero) digits is 11520, while the sum is 37.

The spelling of 101816315218 in words is "one hundred one billion, eight hundred sixteen million, three hundred fifteen thousand, two hundred eighteen".