20211112000019 has 2 divisors, whose sum is σ = 20211112000020. Its totient is φ = 20211112000018.

The previous prime is 20211111999943. The next prime is 20211112000021. The reversal of 20211112000019 is 91000021111202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211112000019 - 2³² = 20206817032723 is a prime.

It is a super-2 number, since 2×20211112000019² (a number of 27 digits) contains 22 as substring.

Together with 20211112000021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20211112800019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105556000009 + 10105556000010.

It is an arithmetic number, because the mean of its divisors is an integer number (10105556000010).

Almost surely, 2^{20211112000019} is an apocalyptic number.

20211112000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211112000019 is an equidigital number, since it uses as much as digits as its factorization.

20211112000019 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 20211112000019 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, nineteen", and thus it is an aban number.