40322411321221 has 2 divisors, whose sum is σ = 40322411321222. Its totient is φ = 40322411321220.

The previous prime is 40322411321207. The next prime is 40322411321237. The reversal of 40322411321221 is 12212311422304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32490171000225 + 7832240320996 = 5700015^2 + 2798614^2 .

It is a cyclic number.

It is not a de Polignac number, because 40322411321221 - 2²³ = 40322402932613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40322411321221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40322411321261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20161205660610 + 20161205660611.

It is an arithmetic number, because the mean of its divisors is an integer number (20161205660611).

Almost surely, 2^{40322411321221} is an apocalyptic number.

It is an amenable number.

40322411321221 is a deficient number, since it is larger than the sum of its proper divisors (1).

40322411321221 is an equidigital number, since it uses as much as digits as its factorization.

40322411321221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 40322411321221 its reverse (12212311422304), we get a palindrome (52534722743525).

The spelling of 40322411321221 in words is "forty trillion, three hundred twenty-two billion, four hundred eleven million, three hundred twenty-one thousand, two hundred twenty-one".