2200201111261 has 2 divisors, whose sum is σ = 2200201111262. Its totient is φ = 2200201111260.

The previous prime is 2200201111187. The next prime is 2200201111351. The reversal of 2200201111261 is 1621111020022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2178558288036 + 21642823225 = 1475994^2 + 147115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200201111261 - 2¹¹ = 2200201109213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200231111261) 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, 1100100555630 + 1100100555631.

It is an arithmetic number, because the mean of its divisors is an integer number (1100100555631).

Almost surely, 2^{2200201111261} is an apocalyptic number.

It is an amenable number.

2200201111261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200201111261 is an equidigital number, since it uses as much as digits as its factorization.

2200201111261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2200201111261 its reverse (1621111020022), we get a palindrome (3821312131283).

The spelling of 2200201111261 in words is "two trillion, two hundred billion, two hundred one million, one hundred eleven thousand, two hundred sixty-one".