1021222002371 has 2 divisors, whose sum is σ = 1021222002372. Its totient is φ = 1021222002370.

The previous prime is 1021222002343. The next prime is 1021222002373. The reversal of 1021222002371 is 1732002221201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021222002371 - 2²² = 1021217808067 is a prime.

Together with 1021222002373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1021222002373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510611001185 + 510611001186.

It is an arithmetic number, because the mean of its divisors is an integer number (510611001186).

Almost surely, 2^{1021222002371} is an apocalyptic number.

1021222002371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021222002371 is an equidigital number, since it uses as much as digits as its factorization.

1021222002371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1021222002371 its reverse (1732002221201), we get a palindrome (2753224223572).

The spelling of 1021222002371 in words is "one trillion, twenty-one billion, two hundred twenty-two million, two thousand, three hundred seventy-one".