1002221020027 has 2 divisors, whose sum is σ = 1002221020028. Its totient is φ = 1002221020026.

The previous prime is 1002221019979. The next prime is 1002221020039. The reversal of 1002221020027 is 7200201222001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002221020027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002221019986 and 1002221020013.

It is not a weakly prime, because it can be changed into another prime (1002222020027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110510013 + 501110510014.

It is an arithmetic number, because the mean of its divisors is an integer number (501110510014).

Almost surely, 2^{1002221020027} is an apocalyptic number.

1002221020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002221020027 is an equidigital number, since it uses as much as digits as its factorization.

1002221020027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 1002221020027 its reverse (7200201222001), we get a palindrome (8202422242028).

The spelling of 1002221020027 in words is "one trillion, two billion, two hundred twenty-one million, twenty thousand, twenty-seven".