20112330110989 has 2 divisors, whose sum is σ = 20112330110990. Its totient is φ = 20112330110988.

The previous prime is 20112330110987. The next prime is 20112330111017. The reversal of 20112330110989 is 98901103321102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19162987778025 + 949342332964 = 4377555^2 + 974342^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112330110989 - 2¹ = 20112330110987 is a prime.

Together with 20112330110987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112330110987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056165055494 + 10056165055495.

It is an arithmetic number, because the mean of its divisors is an integer number (10056165055495).

Almost surely, 2^{20112330110989} is an apocalyptic number.

It is an amenable number.

20112330110989 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112330110989 is an equidigital number, since it uses as much as digits as its factorization.

20112330110989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 20112330110989 in words is "twenty trillion, one hundred twelve billion, three hundred thirty million, one hundred ten thousand, nine hundred eighty-nine".