102102201001111 has 2 divisors, whose sum is σ = 102102201001112. Its totient is φ = 102102201001110.

The previous prime is 102102201001049. The next prime is 102102201001117. The reversal of 102102201001111 is 111100102201201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (111100102201201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102102201001111 - 2⁷ = 102102201000983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102102201001091 and 102102201001100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102102201001117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051100500555 + 51051100500556.

It is an arithmetic number, because the mean of its divisors is an integer number (51051100500556).

Almost surely, 2^{102102201001111} is an apocalyptic number.

102102201001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102201001111 is an equidigital number, since it uses as much as digits as its factorization.

102102201001111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102102201001111 its reverse (111100102201201), we get a palindrome (213202303202312).

The spelling of 102102201001111 in words is "one hundred two trillion, one hundred two billion, two hundred one million, one thousand, one hundred eleven".