221002210119709 has 2 divisors, whose sum is σ = 221002210119710. Its totient is φ = 221002210119708.

The previous prime is 221002210119703. The next prime is 221002210119727. The reversal of 221002210119709 is 907911012200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169557769459225 + 51444440660484 = 13021435^2 + 7172478^2 .

It is a cyclic number.

It is not a de Polignac number, because 221002210119709 - 2³ = 221002210119701 is a prime.

It is a super-2 number, since 2×221002210119709² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221002210119701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501105059854 + 110501105059855.

It is an arithmetic number, because the mean of its divisors is an integer number (110501105059855).

Almost surely, 2^{221002210119709} is an apocalyptic number.

It is an amenable number.

221002210119709 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002210119709 is an equidigital number, since it uses as much as digits as its factorization.

221002210119709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 221002210119709 in words is "two hundred twenty-one trillion, two billion, two hundred ten million, one hundred nineteen thousand, seven hundred nine".