201210222001 has 2 divisors, whose sum is σ = 201210222002. Its totient is φ = 201210222000.

The previous prime is 201210221963. The next prime is 201210222023. The reversal of 201210222001 is 100222012102.

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., 198983797776 + 2226424225 = 446076^2 + 47185^2 .

It is a cyclic number.

It is not a de Polignac number, because 201210222001 - 2⁷ = 201210221873 is a prime.

It is not a weakly prime, because it can be changed into another prime (201210223001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605111000 + 100605111001.

It is an arithmetic number, because the mean of its divisors is an integer number (100605111001).

Almost surely, 2^201210222001 is an apocalyptic number.

It is an amenable number.

201210222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210222001 is an equidigital number, since it uses as much as digits as its factorization.

201210222001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201210222001 its reverse (100222012102), we get a palindrome (301432234103).

The spelling of 201210222001 in words is "two hundred one billion, two hundred ten million, two hundred twenty-two thousand, one".