20211120112203 has 24 divisors (see below), whose sum is σ = 30680138771568. Its totient is φ = 12805033977792.

The previous prime is 20211120112163. The next prime is 20211120112243. The reversal of 20211120112203 is 30221102111202.

20211120112203 is a `hidden beast` number, since 20 + 211 + 120 + 112 + 203 = 666.

It is an interprime number because it is at equal distance from previous prime (20211120112163) and next prime (20211120112243).

It is not a de Polignac number, because 20211120112203 - 2⁹ = 20211120111691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211120112243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 705730500 + ... + 705759137.

It is an arithmetic number, because the mean of its divisors is an integer number (1278339115482).

Almost surely, 2^{20211120112203} is an apocalyptic number.

20211120112203 is a deficient number, since it is larger than the sum of its proper divisors (10469018659365).

20211120112203 is a wasteful number, since it uses less digits than its factorization.

20211120112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411489723 (or 1411489720 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20211120112203 its reverse (30221102111202), we get a palindrome (50432222223405).

The spelling of 20211120112203 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, two hundred three".