20201200111019 has 4 divisors (see below), whose sum is σ = 20216994639360. Its totient is φ = 20185405582680.

The previous prime is 20201200110997. The next prime is 20201200111021. The reversal of 20201200111019 is 91011100210202.

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 20201200111019 - 2³⁶ = 20132480634283 is a prime.

It is a super-2 number, since 2×20201200111019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201200117019) 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, 7897262252 + ... + 7897264809.

It is an arithmetic number, because the mean of its divisors is an integer number (5054248659840).

Almost surely, 2^{20201200111019} is an apocalyptic number.

20201200111019 is a deficient number, since it is larger than the sum of its proper divisors (15794528341).

20201200111019 is a wasteful number, since it uses less digits than its factorization.

20201200111019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15794528340.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 20201200111019 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred eleven thousand, nineteen".