102120002122111 has 2 divisors, whose sum is σ = 102120002122112. Its totient is φ = 102120002122110.

The previous prime is 102120002122043. The next prime is 102120002122121. The reversal of 102120002122111 is 111221200021201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102120002122111 - 2⁴¹ = 99920978866559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102120002122121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060001061055 + 51060001061056.

It is an arithmetic number, because the mean of its divisors is an integer number (51060001061056).

Almost surely, 2^{102120002122111} is an apocalyptic number.

102120002122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120002122111 is an equidigital number, since it uses as much as digits as its factorization.

102120002122111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102120002122111 its reverse (111221200021201), we get a palindrome (213341202143312).

The spelling of 102120002122111 in words is "one hundred two trillion, one hundred twenty billion, two million, one hundred twenty-two thousand, one hundred eleven".