1001200222193 has 2 divisors, whose sum is σ = 1001200222194. Its totient is φ = 1001200222192.

The previous prime is 1001200222181. The next prime is 1001200222237. The reversal of 1001200222193 is 3912220021001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000776150544 + 424071649 = 1000388^2 + 20593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001200222193 - 2¹² = 1001200218097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001200222153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500600111096 + 500600111097.

It is an arithmetic number, because the mean of its divisors is an integer number (500600111097).

Almost surely, 2^{1001200222193} is an apocalyptic number.

It is an amenable number.

1001200222193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001200222193 is an equidigital number, since it uses as much as digits as its factorization.

1001200222193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1001200222193 its reverse (3912220021001), we get a palindrome (4913420243194).

The spelling of 1001200222193 in words is "one trillion, one billion, two hundred million, two hundred twenty-two thousand, one hundred ninety-three".