1002220121047 has 2 divisors, whose sum is σ = 1002220121048. Its totient is φ = 1002220121046.

The previous prime is 1002220121027. The next prime is 1002220121057. The reversal of 1002220121047 is 7401210222001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002220121047 - 2³⁹ = 452464307159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002220121017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110060523 + 501110060524.

It is an arithmetic number, because the mean of its divisors is an integer number (501110060524).

Almost surely, 2^{1002220121047} is an apocalyptic number.

1002220121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002220121047 is an equidigital number, since it uses as much as digits as its factorization.

1002220121047 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 22.

Adding to 1002220121047 its reverse (7401210222001), we get a palindrome (8403430343048).

The spelling of 1002220121047 in words is "one trillion, two billion, two hundred twenty million, one hundred twenty-one thousand, forty-seven".