2206455602081 has 2 divisors, whose sum is σ = 2206455602082. Its totient is φ = 2206455602080.

The previous prime is 2206455602077. The next prime is 2206455602129. The reversal of 2206455602081 is 1802065546022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1827511941025 + 378943661056 = 1351855^2 + 615584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206455602081 - 2² = 2206455602077 is a prime.

It is a super-2 number, since 2×2206455602081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2206455632081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103227801040 + 1103227801041.

It is an arithmetic number, because the mean of its divisors is an integer number (1103227801041).

Almost surely, 2^{2206455602081} is an apocalyptic number.

It is an amenable number.

2206455602081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206455602081 is an equidigital number, since it uses as much as digits as its factorization.

2206455602081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 2206455602081 in words is "two trillion, two hundred six billion, four hundred fifty-five million, six hundred two thousand, eighty-one".