40110022202221 has 2 divisors, whose sum is σ = 40110022202222. Its totient is φ = 40110022202220.

The previous prime is 40110022202219. The next prime is 40110022202231. The reversal of 40110022202221 is 12220222001104.

40110022202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21512797199721 + 18597225002500 = 4638189^2 + 4312450^2 .

It is a cyclic number.

It is not a de Polignac number, because 40110022202221 - 2¹ = 40110022202219 is a prime.

Together with 40110022202219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40110022202231) 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 as a sum of consecutive naturals, namely, 20055011101110 + 20055011101111.

It is an arithmetic number, because the mean of its divisors is an integer number (20055011101111).

Almost surely, 2^{40110022202221} is an apocalyptic number.

It is an amenable number.

40110022202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

40110022202221 is an equidigital number, since it uses as much as digits as its factorization.

40110022202221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 40110022202221 its reverse (12220222001104), we get a palindrome (52330244203325).

The spelling of 40110022202221 in words is "forty trillion, one hundred ten billion, twenty-two million, two hundred two thousand, two hundred twenty-one".