102111003851 has 2 divisors, whose sum is σ = 102111003852. Its totient is φ = 102111003850.

The previous prime is 102111003833. The next prime is 102111003853. The reversal of 102111003851 is 158300111201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102111003851 is a prime.

Together with 102111003853, 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 (102111003853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055501925 + 51055501926.

It is an arithmetic number, because the mean of its divisors is an integer number (51055501926).

Almost surely, 2^102111003851 is an apocalyptic number.

102111003851 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111003851 is an equidigital number, since it uses as much as digits as its factorization.

102111003851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 23.

The spelling of 102111003851 in words is "one hundred two billion, one hundred eleven million, three thousand, eight hundred fifty-one".