2210120839897 has 2 divisors, whose sum is σ = 2210120839898. Its totient is φ = 2210120839896.

The previous prime is 2210120839891. The next prime is 2210120839931. The reversal of 2210120839897 is 7989380210122.

It is a happy number.

2210120839897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1240425697536 + 969695142361 = 1113744^2 + 984731^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210120839897 - 2³ = 2210120839889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210120839891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105060419948 + 1105060419949.

It is an arithmetic number, because the mean of its divisors is an integer number (1105060419949).

Almost surely, 2^{2210120839897} is an apocalyptic number.

It is an amenable number.

2210120839897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210120839897 is an equidigital number, since it uses as much as digits as its factorization.

2210120839897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 2210120839897 in words is "two trillion, two hundred ten billion, one hundred twenty million, eight hundred thirty-nine thousand, eight hundred ninety-seven".