2040110221 has 2 divisors, whose sum is σ = 2040110222. Its totient is φ = 2040110220.

The previous prime is 2040110173. The next prime is 2040110251. The reversal of 2040110221 is 1220110402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849946121 + 190164100 = 43011^2 + 13790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040110221 - 2²³ = 2031721613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040110251) 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 as a sum of consecutive naturals, namely, 1020055110 + 1020055111.

It is an arithmetic number, because the mean of its divisors is an integer number (1020055111).

Almost surely, 2^2040110221 is an apocalyptic number.

It is an amenable number.

2040110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040110221 is an equidigital number, since it uses as much as digits as its factorization.

2040110221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2040110221 is about 45167.5793130427. The cubic root of 2040110221 is about 1268.2879820794.

Adding to 2040110221 its reverse (1220110402), we get a palindrome (3260220623).

The spelling of 2040110221 in words is "two billion, forty million, one hundred ten thousand, two hundred twenty-one".