101819113 has 16 divisors (see below), whose sum is σ = 114270912. Its totient is φ = 89920000.

The previous prime is 101819111. The next prime is 101819117. The reversal of 101819113 is 311918101.

It is a cyclic number.

It is not a de Polignac number, because 101819113 - 2¹ = 101819111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101819111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180570 + ... + 181132.

It is an arithmetic number, because the mean of its divisors is an integer number (7141932).

Almost surely, 2^101819113 is an apocalyptic number.

It is an amenable number.

101819113 is a deficient number, since it is larger than the sum of its proper divisors (12451799).

101819113 is a wasteful number, since it uses less digits than its factorization.

101819113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 216, while the sum is 25.

The square root of 101819113 is about 10090.5457235969. The cubic root of 101819113 is about 466.9565121740.

The spelling of 101819113 in words is "one hundred one million, eight hundred nineteen thousand, one hundred thirteen".