210022122001 has 2 divisors, whose sum is σ = 210022122002. Its totient is φ = 210022122000.

The previous prime is 210022121993. The next prime is 210022122017. The reversal of 210022122001 is 100221220012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129322948225 + 80699173776 = 359615^2 + 284076^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022122001 - 2³ = 210022121993 is a prime.

It is not a weakly prime, because it can be changed into another prime (210022102001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011061000 + 105011061001.

It is an arithmetic number, because the mean of its divisors is an integer number (105011061001).

Almost surely, 2^210022122001 is an apocalyptic number.

It is an amenable number.

210022122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022122001 is an equidigital number, since it uses as much as digits as its factorization.

210022122001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 210022122001 its reverse (100221220012), we get a palindrome (310243342013).

It can be divided in two parts, 2 and 10022122001, that multiplied together give a palindrome (20044244002).

The spelling of 210022122001 in words is "two hundred ten billion, twenty-two million, one hundred twenty-two thousand, one".