2200216306261 has 2 divisors, whose sum is σ = 2200216306262. Its totient is φ = 2200216306260.

The previous prime is 2200216306243. The next prime is 2200216306271. The reversal of 2200216306261 is 1626036120022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946206354225 + 254009952036 = 1395065^2 + 503994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200216306261 - 2¹¹ = 2200216304213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200216306231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100108153130 + 1100108153131.

It is an arithmetic number, because the mean of its divisors is an integer number (1100108153131).

Almost surely, 2^{2200216306261} is an apocalyptic number.

It is an amenable number.

2200216306261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200216306261 is an equidigital number, since it uses as much as digits as its factorization.

2200216306261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 2200216306261 in words is "two trillion, two hundred billion, two hundred sixteen million, three hundred six thousand, two hundred sixty-one".