20211120112243 has 2 divisors, whose sum is σ = 20211120112244. Its totient is φ = 20211120112242.

The previous prime is 20211120112163. The next prime is 20211120112279. The reversal of 20211120112243 is 34221102111202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211120112243 - 2⁹ = 20211120111731 is a prime.

It is not a weakly prime, because it can be changed into another prime (20211120112643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105560056121 + 10105560056122.

It is an arithmetic number, because the mean of its divisors is an integer number (10105560056122).

Almost surely, 2^{20211120112243} is an apocalyptic number.

20211120112243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211120112243 is an equidigital number, since it uses as much as digits as its factorization.

20211120112243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20211120112243 its reverse (34221102111202), we get a palindrome (54432222223445).

The spelling of 20211120112243 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, two hundred forty-three".