1000121022071 has 2 divisors, whose sum is σ = 1000121022072. Its totient is φ = 1000121022070.

The previous prime is 1000121022059. The next prime is 1000121022073. The reversal of 1000121022071 is 1702201210001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000121022071 - 2³⁴ = 982941152887 is a prime.

Together with 1000121022073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000121022073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500060511035 + 500060511036.

It is an arithmetic number, because the mean of its divisors is an integer number (500060511036).

Almost surely, 2^{1000121022071} is an apocalyptic number.

1000121022071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000121022071 is an equidigital number, since it uses as much as digits as its factorization.

1000121022071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 1000121022071 its reverse (1702201210001), we get a palindrome (2702322232072).

The spelling of 1000121022071 in words is "one trillion, one hundred twenty-one million, twenty-two thousand, seventy-one".