210122202113 has 2 divisors, whose sum is σ = 210122202114. Its totient is φ = 210122202112.

The previous prime is 210122202079. The next prime is 210122202127. The reversal of 210122202113 is 311202221012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156051071089 + 54071131024 = 395033^2 + 232532^2 .

It is a cyclic number.

It is not a de Polignac number, because 210122202113 - 2⁶ = 210122202049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210122202091 and 210122202100.

It is not a weakly prime, because it can be changed into another prime (210122202013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061101056 + 105061101057.

It is an arithmetic number, because the mean of its divisors is an integer number (105061101057).

Almost surely, 2^210122202113 is an apocalyptic number.

It is an amenable number.

210122202113 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122202113 is an equidigital number, since it uses as much as digits as its factorization.

210122202113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210122202113 its reverse (311202221012), we get a palindrome (521324423125).

The spelling of 210122202113 in words is "two hundred ten billion, one hundred twenty-two million, two hundred two thousand, one hundred thirteen".