1021012222271 has 2 divisors, whose sum is σ = 1021012222272. Its totient is φ = 1021012222270.

The previous prime is 1021012222193. The next prime is 1021012222337. The reversal of 1021012222271 is 1722222101201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021012222271 - 2³⁰ = 1019938480447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021012222471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510506111135 + 510506111136.

It is an arithmetic number, because the mean of its divisors is an integer number (510506111136).

Almost surely, 2^{1021012222271} is an apocalyptic number.

1021012222271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021012222271 is an equidigital number, since it uses as much as digits as its factorization.

1021012222271 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 1021012222271 its reverse (1722222101201), we get a palindrome (2743234323472).

The spelling of 1021012222271 in words is "one trillion, twenty-one billion, twelve million, two hundred twenty-two thousand, two hundred seventy-one".