102001221222071 has 2 divisors, whose sum is σ = 102001221222072. Its totient is φ = 102001221222070.

The previous prime is 102001221222049. The next prime is 102001221222077. The reversal of 102001221222071 is 170222122100201.

It is a strong prime.

It is an emirp because it is prime and its reverse (170222122100201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102001221222071 - 2¹⁸ = 102001220959927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102001221222077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000610611035 + 51000610611036.

It is an arithmetic number, because the mean of its divisors is an integer number (51000610611036).

Almost surely, 2^{102001221222071} is an apocalyptic number.

102001221222071 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001221222071 is an equidigital number, since it uses as much as digits as its factorization.

102001221222071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 102001221222071 its reverse (170222122100201), we get a palindrome (272223343322272).

The spelling of 102001221222071 in words is "one hundred two trillion, one billion, two hundred twenty-one million, two hundred twenty-two thousand, seventy-one".