210001101220201 has 2 divisors, whose sum is σ = 210001101220202. Its totient is φ = 210001101220200.

The previous prime is 210001101220151. The next prime is 210001101220219. The reversal of 210001101220201 is 102022101100012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170685994149225 + 39315107070976 = 13064685^2 + 6270176^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001101220201 - 2¹³ = 210001101212009 is a prime.

It is not a weakly prime, because it can be changed into another prime (210001101220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000550610100 + 105000550610101.

It is an arithmetic number, because the mean of its divisors is an integer number (105000550610101).

Almost surely, 2^{210001101220201} is an apocalyptic number.

It is an amenable number.

210001101220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001101220201 is an equidigital number, since it uses as much as digits as its factorization.

210001101220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210001101220201 its reverse (102022101100012), we get a palindrome (312023202320213).

The spelling of 210001101220201 in words is "two hundred ten trillion, one billion, one hundred one million, two hundred twenty thousand, two hundred one".