20112120109927 has 2 divisors, whose sum is σ = 20112120109928. Its totient is φ = 20112120109926.

The previous prime is 20112120109919. The next prime is 20112120110021. The reversal of 20112120109927 is 72990102121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112120109927 - 2³ = 20112120109919 is a prime.

It is a super-2 number, since 2×20112120109927² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112120103927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056060054963 + 10056060054964.

It is an arithmetic number, because the mean of its divisors is an integer number (10056060054964).

Almost surely, 2^{20112120109927} is an apocalyptic number.

20112120109927 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112120109927 is an equidigital number, since it uses as much as digits as its factorization.

20112120109927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 20112120109927 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, one hundred nine thousand, nine hundred twenty-seven".