11101660101 has 24 divisors (see below), whose sum is σ = 18332892864. Its totient is φ = 6341610240.

The previous prime is 11101660099. The next prime is 11101660121. The reversal of 11101660101 is 10106610111.

11101660101 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 1 + 660 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 11101660101 - 2¹ = 11101660099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101660121) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 162610 + ... + 220556.

It is an arithmetic number, because the mean of its divisors is an integer number (763870536).

Almost surely, 2^11101660101 is an apocalyptic number.

It is an amenable number.

11101660101 is a deficient number, since it is larger than the sum of its proper divisors (7231232763).

11101660101 is a wasteful number, since it uses less digits than its factorization.

11101660101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61001 (or 60998 counting only the distinct ones).

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

The spelling of 11101660101 in words is "eleven billion, one hundred one million, six hundred sixty thousand, one hundred one".