101660010111 has 48 divisors (see below), whose sum is σ = 160701414432. Its totient is φ = 61416403200.

The previous prime is 101660010059. The next prime is 101660010157. The reversal of 101660010111 is 111010066101.

101660010111 is a `hidden beast` number, since 1 + 0 + 1 + 660 + 0 + 1 + 0 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 101660010111 - 2¹¹ = 101660008063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101660010161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73612641 + ... + 73614021.

It is an arithmetic number, because the mean of its divisors is an integer number (3347946134).

Almost surely, 2^101660010111 is an apocalyptic number.

101660010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101660010111 is a deficient number, since it is larger than the sum of its proper divisors (59041404321).

101660010111 is a wasteful number, since it uses less digits than its factorization.

101660010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3221 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 101660010111 its reverse (111010066101), we get a palindrome (212670076212).

The spelling of 101660010111 in words is "one hundred one billion, six hundred sixty million, ten thousand, one hundred eleven".