1021222002487 has 2 divisors, whose sum is σ = 1021222002488. Its totient is φ = 1021222002486.

The previous prime is 1021222002443. The next prime is 1021222002497. The reversal of 1021222002487 is 7842002221201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7842002221201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021222002487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021222002497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510611001243 + 510611001244.

It is an arithmetic number, because the mean of its divisors is an integer number (510611001244).

Almost surely, 2^{1021222002487} is an apocalyptic number.

1021222002487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021222002487 is an equidigital number, since it uses as much as digits as its factorization.

1021222002487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

Adding to 1021222002487 its reverse (7842002221201), we get a palindrome (8863224223688).

The spelling of 1021222002487 in words is "one trillion, twenty-one billion, two hundred twenty-two million, two thousand, four hundred eighty-seven".