2010021110221 has 4 divisors (see below), whose sum is σ = 2015985564892. Its totient is φ = 2004056655552.

The previous prime is 2010021110219. The next prime is 2010021110233. The reversal of 2010021110221 is 1220111200102.

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 744744836196 + 1265276274025 = 862986^2 + 1124845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010021110221 - 2¹ = 2010021110219 is a prime.

It is a super-2 number, since 2×2010021110221² (a number of 25 digits) contains 22 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 (2010021110291) 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, 2982226830 + ... + 2982227503.

It is an arithmetic number, because the mean of its divisors is an integer number (503996391223).

Almost surely, 2^{2010021110221} is an apocalyptic number.

It is an amenable number.

2010021110221 is a deficient number, since it is larger than the sum of its proper divisors (5964454671).

2010021110221 is an equidigital number, since it uses as much as digits as its factorization.

2010021110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5964454670.

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

Adding to 2010021110221 its reverse (1220111200102), we get a palindrome (3230132310323).

The spelling of 2010021110221 in words is "two trillion, ten billion, twenty-one million, one hundred ten thousand, two hundred twenty-one".