102121222043 has 2 divisors, whose sum is σ = 102121222044. Its totient is φ = 102121222042.

The previous prime is 102121221953. The next prime is 102121222057. The reversal of 102121222043 is 340222121201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102121222043 - 2¹⁰ = 102121221019 is a prime.

It is not a weakly prime, because it can be changed into another prime (102121224043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060611021 + 51060611022.

It is an arithmetic number, because the mean of its divisors is an integer number (51060611022).

Almost surely, 2^102121222043 is an apocalyptic number.

102121222043 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121222043 is an equidigital number, since it uses as much as digits as its factorization.

102121222043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102121222043 its reverse (340222121201), we get a palindrome (442343343244).

The spelling of 102121222043 in words is "one hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, forty-three".