1140341110421 has 2 divisors, whose sum is σ = 1140341110422. Its totient is φ = 1140341110420.

The previous prime is 1140341110361. The next prime is 1140341110457. The reversal of 1140341110421 is 1240111430411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093300272100 + 47040838321 = 1045610^2 + 216889^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140341110421 - 2¹⁴ = 1140341094037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140341110621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570170555210 + 570170555211.

It is an arithmetic number, because the mean of its divisors is an integer number (570170555211).

Almost surely, 2^{1140341110421} is an apocalyptic number.

It is an amenable number.

1140341110421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140341110421 is an equidigital number, since it uses as much as digits as its factorization.

1140341110421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1140341110421 its reverse (1240111430411), we get a palindrome (2380452540832).

The spelling of 1140341110421 in words is "one trillion, one hundred forty billion, three hundred forty-one million, one hundred ten thousand, four hundred twenty-one".