2111665060201 has 4 divisors (see below), whose sum is σ = 2112039010432. Its totient is φ = 2111291109972.

The previous prime is 2111665060187. The next prime is 2111665060207. The reversal of 2111665060201 is 1020605661112.

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 not a de Polignac number, because 2111665060201 - 2²¹ = 2111662963049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111665060207) 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 3 ways as a sum of consecutive naturals, for example, 186966645 + ... + 186977938.

It is an arithmetic number, because the mean of its divisors is an integer number (528009752608).

Almost surely, 2^{2111665060201} is an apocalyptic number.

It is an amenable number.

2111665060201 is a deficient number, since it is larger than the sum of its proper divisors (373950231).

2111665060201 is an equidigital number, since it uses as much as digits as its factorization.

2111665060201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373950230.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 2111665060201 in words is "two trillion, one hundred eleven billion, six hundred sixty-five million, sixty thousand, two hundred one".