1040211221141 has 2 divisors, whose sum is σ = 1040211221142. Its totient is φ = 1040211221140.

The previous prime is 1040211221123. The next prime is 1040211221143. The reversal of 1040211221141 is 1411221120401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774275045041 + 265936176100 = 879929^2 + 515690^2 .

It is an emirp because it is prime and its reverse (1411221120401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040211221141 is a prime.

Together with 1040211221143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040211221143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520105610570 + 520105610571.

It is an arithmetic number, because the mean of its divisors is an integer number (520105610571).

Almost surely, 2^{1040211221141} is an apocalyptic number.

It is an amenable number.

1040211221141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040211221141 is an equidigital number, since it uses as much as digits as its factorization.

1040211221141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1040211221141 its reverse (1411221120401), we get a palindrome (2451432341542).

The spelling of 1040211221141 in words is "one trillion, forty billion, two hundred eleven million, two hundred twenty-one thousand, one hundred forty-one".