102111112212103 has 2 divisors, whose sum is σ = 102111112212104. Its totient is φ = 102111112212102.

The previous prime is 102111112212079. The next prime is 102111112212121. The reversal of 102111112212103 is 301212211111201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102111112212103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111112212133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055556106051 + 51055556106052.

It is an arithmetic number, because the mean of its divisors is an integer number (51055556106052).

Almost surely, 2^{102111112212103} is an apocalyptic number.

102111112212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111112212103 is an equidigital number, since it uses as much as digits as its factorization.

102111112212103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 102111112212103 its reverse (301212211111201), we get a palindrome (403323323323304).

The spelling of 102111112212103 in words is "one hundred two trillion, one hundred eleven billion, one hundred twelve million, two hundred twelve thousand, one hundred three".