200011221221969 has 2 divisors, whose sum is σ = 200011221221970. Its totient is φ = 200011221221968.

The previous prime is 200011221221887. The next prime is 200011221222091. The reversal of 200011221221969 is 969122122110002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166548316729600 + 33462904492369 = 12905360^2 + 5784713^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011221221969 - 2¹⁶ = 200011221156433 is a prime.

It is a super-2 number, since 2×200011221221969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200011221221569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005610610984 + 100005610610985.

It is an arithmetic number, because the mean of its divisors is an integer number (100005610610985).

Almost surely, 2^{200011221221969} is an apocalyptic number.

It is an amenable number.

200011221221969 is a deficient number, since it is larger than the sum of its proper divisors (1).

200011221221969 is an equidigital number, since it uses as much as digits as its factorization.

200011221221969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 200011221221969 in words is "two hundred trillion, eleven billion, two hundred twenty-one million, two hundred twenty-one thousand, nine hundred sixty-nine".