102122201 has 2 divisors, whose sum is σ = 102122202. Its totient is φ = 102122200.

The previous prime is 102122177. The next prime is 102122203. The reversal of 102122201 is 102221201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93624976 + 8497225 = 9676^2 + 2915^2 .

It is a cyclic number.

It is not a de Polignac number, because 102122201 - 2²² = 97927897 is a prime.

Together with 102122203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102122203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061100 + 51061101.

It is an arithmetic number, because the mean of its divisors is an integer number (51061101).

Almost surely, 2^102122201 is an apocalyptic number.

It is an amenable number.

102122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122201 is an equidigital number, since it uses as much as digits as its factorization.

102122201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102122201 is about 10105.5529784372. The cubic root of 102122201 is about 467.4193876658.

Adding to 102122201 its reverse (102221201), we get a palindrome (204343402).

The spelling of 102122201 in words is "one hundred two million, one hundred twenty-two thousand, two hundred one".