2170338687211 has 2 divisors, whose sum is σ = 2170338687212. Its totient is φ = 2170338687210.

The previous prime is 2170338687037. The next prime is 2170338687229. The reversal of 2170338687211 is 1127868330712.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2170338687211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2170338687311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085169343605 + 1085169343606.

It is an arithmetic number, because the mean of its divisors is an integer number (1085169343606).

Almost surely, 2^{2170338687211} is an apocalyptic number.

2170338687211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170338687211 is an equidigital number, since it uses as much as digits as its factorization.

2170338687211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 2170338687211 in words is "two trillion, one hundred seventy billion, three hundred thirty-eight million, six hundred eighty-seven thousand, two hundred eleven".