102102212110123 has 2 divisors, whose sum is σ = 102102212110124. Its totient is φ = 102102212110122.

The previous prime is 102102212110043. The next prime is 102102212110153. The reversal of 102102212110123 is 321011212201201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102102212110123 - 2¹³ = 102102212101931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102102212110123.

It is not a weakly prime, because it can be changed into another prime (102102212110153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051106055061 + 51051106055062.

It is an arithmetic number, because the mean of its divisors is an integer number (51051106055062).

Almost surely, 2^{102102212110123} is an apocalyptic number.

102102212110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102212110123 is an equidigital number, since it uses as much as digits as its factorization.

102102212110123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 102102212110123 its reverse (321011212201201), we get a palindrome (423113424311324).

The spelling of 102102212110123 in words is "one hundred two trillion, one hundred two billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-three".