111670638588101 has 4 divisors (see below), whose sum is σ = 111670819099104. Its totient is φ = 111670458077100.

The previous prime is 111670638588007. The next prime is 111670638588149. The reversal of 111670638588101 is 101885836076111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111670638588101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111670638588181) 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, 89324345 + ... + 90565886.

It is an arithmetic number, because the mean of its divisors is an integer number (27917704774776).

Almost surely, 2^{111670638588101} is an apocalyptic number.

It is an amenable number.

111670638588101 is a deficient number, since it is larger than the sum of its proper divisors (180511003).

111670638588101 is an equidigital number, since it uses as much as digits as its factorization.

111670638588101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180511002.

The product of its (nonzero) digits is 1935360, while the sum is 56.

The spelling of 111670638588101 in words is "one hundred eleven trillion, six hundred seventy billion, six hundred thirty-eight million, five hundred eighty-eight thousand, one hundred one".