200011221222091 has 2 divisors, whose sum is σ = 200011221222092. Its totient is φ = 200011221222090.

The previous prime is 200011221221969. The next prime is 200011221222193. The reversal of 200011221222091 is 190222122110002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200011221222091 - 2¹⁹ = 200011220697803 is a prime.

It is a super-2 number, since 2×200011221222091² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200011221225091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005610611045 + 100005610611046.

It is an arithmetic number, because the mean of its divisors is an integer number (100005610611046).

Almost surely, 2^{200011221222091} is an apocalyptic number.

200011221222091 is a deficient number, since it is larger than the sum of its proper divisors (1).

200011221222091 is an equidigital number, since it uses as much as digits as its factorization.

200011221222091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 200011221222091 its reverse (190222122110002), we get a palindrome (390233343332093).

The spelling of 200011221222091 in words is "two hundred trillion, eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, ninety-one".