200221012012169 has 2 divisors, whose sum is σ = 200221012012170. Its totient is φ = 200221012012168.

The previous prime is 200221012012097. The next prime is 200221012012243. The reversal of 200221012012169 is 961210210122002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160604624848144 + 39616387164025 = 12672988^2 + 6294155^2 .

It is a cyclic number.

It is not a de Polignac number, because 200221012012169 - 2²⁰ = 200221010963593 is a prime.

It is a super-2 number, since 2×200221012012169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200221012011169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110506006084 + 100110506006085.

It is an arithmetic number, because the mean of its divisors is an integer number (100110506006085).

Almost surely, 2^{200221012012169} is an apocalyptic number.

It is an amenable number.

200221012012169 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221012012169 is an equidigital number, since it uses as much as digits as its factorization.

200221012012169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 200221012012169 in words is "two hundred trillion, two hundred twenty-one billion, twelve million, twelve thousand, one hundred sixty-nine".