102111012043 has 2 divisors, whose sum is σ = 102111012044. Its totient is φ = 102111012042.

The previous prime is 102111012007. The next prime is 102111012053. The reversal of 102111012043 is 340210111201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102111012043 - 2¹³ = 102111003851 is a prime.

It is not a weakly prime, because it can be changed into another prime (102111012053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055506021 + 51055506022.

It is an arithmetic number, because the mean of its divisors is an integer number (51055506022).

Almost surely, 2^102111012043 is an apocalyptic number.

102111012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111012043 is an equidigital number, since it uses as much as digits as its factorization.

102111012043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102111012043 its reverse (340210111201), we get a palindrome (442321123244).

The spelling of 102111012043 in words is "one hundred two billion, one hundred eleven million, twelve thousand, forty-three".