221002212012047 has 2 divisors, whose sum is σ = 221002212012048. Its totient is φ = 221002212012046.

The previous prime is 221002212011989. The next prime is 221002212012133. The reversal of 221002212012047 is 740210212200122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221002212012047 - 2⁶ = 221002212011983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221002212012347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501106006023 + 110501106006024.

It is an arithmetic number, because the mean of its divisors is an integer number (110501106006024).

Almost surely, 2^{221002212012047} is an apocalyptic number.

221002212012047 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002212012047 is an equidigital number, since it uses as much as digits as its factorization.

221002212012047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 221002212012047 its reverse (740210212200122), we get a palindrome (961212424212169).

The spelling of 221002212012047 in words is "two hundred twenty-one trillion, two billion, two hundred twelve million, twelve thousand, forty-seven".