189112112020201 has 4 divisors (see below), whose sum is σ = 189112180357504. Its totient is φ = 189112043682900.

The previous prime is 189112112020109. The next prime is 189112112020213. The reversal of 189112112020201 is 102020211211981.

It is a happy number.

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 189112112020201 - 2⁹ = 189112112019689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189112112020301) 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, 29834385 + ... + 35613406.

It is an arithmetic number, because the mean of its divisors is an integer number (47278045089376).

Almost surely, 2^{189112112020201} is an apocalyptic number.

It is an amenable number.

189112112020201 is a deficient number, since it is larger than the sum of its proper divisors (68337303).

189112112020201 is an equidigital number, since it uses as much as digits as its factorization.

189112112020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68337302.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 189112112020201 in words is "one hundred eighty-nine trillion, one hundred twelve billion, one hundred twelve million, twenty thousand, two hundred one".