2201212220873 has 2 divisors, whose sum is σ = 2201212220874. Its totient is φ = 2201212220872.

The previous prime is 2201212220849. The next prime is 2201212220881. The reversal of 2201212220873 is 3780222121022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1540386301129 + 660825919744 = 1241123^2 + 812912^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201212220873 - 2²² = 2201208026569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201212220773) 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, 1100606110436 + 1100606110437.

It is an arithmetic number, because the mean of its divisors is an integer number (1100606110437).

Almost surely, 2^{2201212220873} is an apocalyptic number.

It is an amenable number.

2201212220873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201212220873 is an equidigital number, since it uses as much as digits as its factorization.

2201212220873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 2201212220873 its reverse (3780222121022), we get a palindrome (5981434341895).

The spelling of 2201212220873 in words is "two trillion, two hundred one billion, two hundred twelve million, two hundred twenty thousand, eight hundred seventy-three".