102112841813 has 2 divisors, whose sum is σ = 102112841814. Its totient is φ = 102112841812.

The previous prime is 102112841783. The next prime is 102112841837. The reversal of 102112841813 is 318148211201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93732720964 + 8380120849 = 306158^2 + 91543^2 .

It is a cyclic number.

It is not a de Polignac number, because 102112841813 - 2⁶ = 102112841749 is a prime.

It is a super-2 number, since 2×102112841813² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102112841813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112841863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056420906 + 51056420907.

It is an arithmetic number, because the mean of its divisors is an integer number (51056420907).

Almost surely, 2^102112841813 is an apocalyptic number.

It is an amenable number.

102112841813 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112841813 is an equidigital number, since it uses as much as digits as its factorization.

102112841813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 32.

The spelling of 102112841813 in words is "one hundred two billion, one hundred twelve million, eight hundred forty-one thousand, eight hundred thirteen".