101111816 has 16 divisors (see below), whose sum is σ = 204168300. Its totient is φ = 46666944.

The previous prime is 101111809. The next prime is 101111819. The reversal of 101111816 is 618111101.

It can be written as a sum of positive squares in 2 ways, for example, as 101082916 + 28900 = 10054^2 + 170^2 .

It is not an unprimeable number, because it can be changed into a prime (101111819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486011 + ... + 486218.

Almost surely, 2^101111816 is an apocalyptic number.

It is an amenable number.

101111816 is an abundant number, since it is smaller than the sum of its proper divisors (103056484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101111816 is a wasteful number, since it uses less digits than its factorization.

101111816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972248 (or 972244 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 20.

The square root of 101111816 is about 10055.4371361965. The cubic root of 101111816 is about 465.8727448824.

Adding to 101111816 its reverse (618111101), we get a palindrome (719222917).

The spelling of 101111816 in words is "one hundred one million, one hundred eleven thousand, eight hundred sixteen".