2211895897201 has 2 divisors, whose sum is σ = 2211895897202. Its totient is φ = 2211895897200.

The previous prime is 2211895897153. The next prime is 2211895897217. The reversal of 2211895897201 is 1027985981122.

It is a happy number.

2211895897201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1523128690801 + 688767206400 = 1234151^2 + 829920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211895897201 - 2⁹ = 2211895896689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211895897231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105947948600 + 1105947948601.

It is an arithmetic number, because the mean of its divisors is an integer number (1105947948601).

Almost surely, 2^{2211895897201} is an apocalyptic number.

It is an amenable number.

2211895897201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211895897201 is an equidigital number, since it uses as much as digits as its factorization.

2211895897201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The spelling of 2211895897201 in words is "two trillion, two hundred eleven billion, eight hundred ninety-five million, eight hundred ninety-seven thousand, two hundred one".