220210012121201 has 2 divisors, whose sum is σ = 220210012121202. Its totient is φ = 220210012121200.

The previous prime is 220210012121171. The next prime is 220210012121213. The reversal of 220210012121201 is 102121210012022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220148468434801 + 61543686400 = 14837401^2 + 248080^2 .

It is a cyclic number.

It is not a de Polignac number, because 220210012121201 - 2³⁰ = 220208938379377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220210012121201.

It is not a weakly prime, because it can be changed into another prime (220210012121501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105006060600 + 110105006060601.

It is an arithmetic number, because the mean of its divisors is an integer number (110105006060601).

Almost surely, 2^{220210012121201} is an apocalyptic number.

It is an amenable number.

220210012121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220210012121201 is an equidigital number, since it uses as much as digits as its factorization.

220210012121201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220210012121201 its reverse (102121210012022), we get a palindrome (322331222133223).

The spelling of 220210012121201 in words is "two hundred twenty trillion, two hundred ten billion, twelve million, one hundred twenty-one thousand, two hundred one".