2162105207 has 2 divisors, whose sum is σ = 2162105208. Its totient is φ = 2162105206.

The previous prime is 2162105201. The next prime is 2162105219. The reversal of 2162105207 is 7025012612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162105207 - 2⁴ = 2162105191 is a prime.

It is a super-2 number, since 2×2162105207² = 9349397852273025698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162105201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081052603 + 1081052604.

It is an arithmetic number, because the mean of its divisors is an integer number (1081052604).

Almost surely, 2^2162105207 is an apocalyptic number.

2162105207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162105207 is an equidigital number, since it uses as much as digits as its factorization.

2162105207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2162105207 is about 46498.4430599563. The cubic root of 2162105207 is about 1293.0806342317.

Adding to 2162105207 its reverse (7025012612), we get a palindrome (9187117819).

The spelling of 2162105207 in words is "two billion, one hundred sixty-two million, one hundred five thousand, two hundred seven".