2201200200181 has 2 divisors, whose sum is σ = 2201200200182. Its totient is φ = 2201200200180.

The previous prime is 2201200200179. The next prime is 2201200200209. The reversal of 2201200200181 is 1810020021022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2200979944900 + 220255281 = 1483570^2 + 14841^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201200200181 - 2¹ = 2201200200179 is a prime.

It is a super-2 number, since 2×2201200200181² (a number of 25 digits) contains 22 as substring.

Together with 2201200200179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201200200131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100600100090 + 1100600100091.

It is an arithmetic number, because the mean of its divisors is an integer number (1100600100091).

Almost surely, 2^{2201200200181} is an apocalyptic number.

It is an amenable number.

2201200200181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201200200181 is an equidigital number, since it uses as much as digits as its factorization.

2201200200181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The spelling of 2201200200181 in words is "two trillion, two hundred one billion, two hundred million, two hundred thousand, one hundred eighty-one".