2010444444221 has 4 divisors (see below), whose sum is σ = 2011703334012. Its totient is φ = 2009185554432.

The previous prime is 2010444444209. The next prime is 2010444444233. The reversal of 2010444444221 is 1224444440102.

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

It is an interprime number because it is at equal distance from previous prime (2010444444209) and next prime (2010444444233).

It can be written as a sum of positive squares in 2 ways, for example, as 1272408816121 + 738035628100 = 1128011^2 + 859090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010444444221 - 2¹⁸ = 2010444182077 is a prime.

It is a super-3 number, since 3×2010444444221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010444444241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629442500 + ... + 629445693.

It is an arithmetic number, because the mean of its divisors is an integer number (502925833503).

Almost surely, 2^{2010444444221} is an apocalyptic number.

It is an amenable number.

2010444444221 is a deficient number, since it is larger than the sum of its proper divisors (1258889791).

2010444444221 is a wasteful number, since it uses less digits than its factorization.

2010444444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258889790.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 2010444444221 its reverse (1224444440102), we get a palindrome (3234888884323).

The spelling of 2010444444221 in words is "two trillion, ten billion, four hundred forty-four million, four hundred forty-four thousand, two hundred twenty-one".