20211120111199 has 8 divisors (see below), whose sum is σ = 20231217334080. Its totient is φ = 20191026103296.

The previous prime is 20211120111187. The next prime is 20211120111227. The reversal of 20211120111199 is 99111102111202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20211120111199 - 2⁷ = 20211120111071 is a prime.

It is a super-2 number, since 2×20211120111199² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20211120111199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211120111179) 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 7 ways as a sum of consecutive naturals, for example, 11874919 + ... + 13469815.

It is an arithmetic number, because the mean of its divisors is an integer number (2528902166760).

Almost surely, 2^{20211120111199} is an apocalyptic number.

20211120111199 is a deficient number, since it is larger than the sum of its proper divisors (20097222881).

20211120111199 is a wasteful number, since it uses less digits than its factorization.

20211120111199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607489.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 20211120111199 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred eleven thousand, one hundred ninety-nine".