20102112200239 has 2 divisors, whose sum is σ = 20102112200240. Its totient is φ = 20102112200238.

The previous prime is 20102112200207. The next prime is 20102112200251. The reversal of 20102112200239 is 93200221120102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102112200239 - 2⁵ = 20102112200207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102112200839) 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, 10051056100119 + 10051056100120.

It is an arithmetic number, because the mean of its divisors is an integer number (10051056100120).

Almost surely, 2^{20102112200239} is an apocalyptic number.

20102112200239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102112200239 is an equidigital number, since it uses as much as digits as its factorization.

20102112200239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 20102112200239 in words is "twenty trillion, one hundred two billion, one hundred twelve million, two hundred thousand, two hundred thirty-nine".