102111211303 has 2 divisors, whose sum is σ = 102111211304. Its totient is φ = 102111211302.

The previous prime is 102111211291. The next prime is 102111211343. The reversal of 102111211303 is 303112111201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102111211303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111211343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055605651 + 51055605652.

It is an arithmetic number, because the mean of its divisors is an integer number (51055605652).

Almost surely, 2^102111211303 is an apocalyptic number.

102111211303 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111211303 is an equidigital number, since it uses as much as digits as its factorization.

102111211303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 102111211303 its reverse (303112111201), we get a palindrome (405223322504).

The spelling of 102111211303 in words is "one hundred two billion, one hundred eleven million, two hundred eleven thousand, three hundred three".