20201112220999 has 4 divisors (see below), whose sum is σ = 20201511574080. Its totient is φ = 20200712867920.

The previous prime is 20201112220957. The next prime is 20201112221047. The reversal of 20201112220999 is 99902221110202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20201112220999 - 2³³ = 20192522286407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201112200999) 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, 199600654 + ... + 199701835.

It is an arithmetic number, because the mean of its divisors is an integer number (5050377893520).

Almost surely, 2^{20201112220999} is an apocalyptic number.

20201112220999 is a deficient number, since it is larger than the sum of its proper divisors (399353081).

20201112220999 is an equidigital number, since it uses as much as digits as its factorization.

20201112220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399353080.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 20201112220999 in words is "twenty trillion, two hundred one billion, one hundred twelve million, two hundred twenty thousand, nine hundred ninety-nine".