1021120112071 has 2 divisors, whose sum is σ = 1021120112072. Its totient is φ = 1021120112070.

The previous prime is 1021120112069. The next prime is 1021120112113. The reversal of 1021120112071 is 1702110211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021120112071 - 2¹ = 1021120112069 is a prime.

Together with 1021120112069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021120112021) 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, 510560056035 + 510560056036.

It is an arithmetic number, because the mean of its divisors is an integer number (510560056036).

Almost surely, 2^{1021120112071} is an apocalyptic number.

1021120112071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021120112071 is an equidigital number, since it uses as much as digits as its factorization.

1021120112071 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 19.

Adding to 1021120112071 its reverse (1702110211201), we get a palindrome (2723230323272).

The spelling of 1021120112071 in words is "one trillion, twenty-one billion, one hundred twenty million, one hundred twelve thousand, seventy-one".