113665101 has 12 divisors (see below), whose sum is σ = 166584096. Its totient is φ = 68887720.

The previous prime is 113665081. The next prime is 113665109. The reversal of 113665101 is 101566311.

It is not a de Polignac number, because 113665101 - 2⁶ = 113665037 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113665109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156201 + ... + 156926.

It is an arithmetic number, because the mean of its divisors is an integer number (13882008).

Almost surely, 2^113665101 is an apocalyptic number.

113665101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113665101 is a deficient number, since it is larger than the sum of its proper divisors (52918995).

113665101 is a wasteful number, since it uses less digits than its factorization.

113665101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313152 (or 313141 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 113665101 is about 10661.3836344069. The cubic root of 113665101 is about 484.4054797663.

The spelling of 113665101 in words is "one hundred thirteen million, six hundred sixty-five thousand, one hundred one".