2010221221201 has 4 divisors (see below), whose sum is σ = 2010282072372. Its totient is φ = 2010160370032.

The previous prime is 2010221221163. The next prime is 2010221221243. The reversal of 2010221221201 is 1021221220102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1214842635601 + 795378585600 = 1102199^2 + 891840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010221221201 - 2³³ = 2001631286609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010221221291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30376006 + ... + 30442111.

It is an arithmetic number, because the mean of its divisors is an integer number (502570518093).

Almost surely, 2^{2010221221201} is an apocalyptic number.

It is an amenable number.

2010221221201 is a deficient number, since it is larger than the sum of its proper divisors (60851171).

2010221221201 is an equidigital number, since it uses as much as digits as its factorization.

2010221221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60851170.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2010221221201 its reverse (1021221220102), we get a palindrome (3031442441303).

The spelling of 2010221221201 in words is "two trillion, ten billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred one".