140111210321 has 2 divisors, whose sum is σ = 140111210322. Its totient is φ = 140111210320.

The previous prime is 140111210269. The next prime is 140111210381. The reversal of 140111210321 is 123012111041.

140111210321 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., 127617559696 + 12493650625 = 357236^2 + 111775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140111210321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140111210321.

It is not a weakly prime, because it can be changed into another prime (140111210381) 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, 70055605160 + 70055605161.

It is an arithmetic number, because the mean of its divisors is an integer number (70055605161).

Almost surely, 2^140111210321 is an apocalyptic number.

It is an amenable number.

140111210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

140111210321 is an equidigital number, since it uses as much as digits as its factorization.

140111210321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 140111210321 its reverse (123012111041), we get a palindrome (263123321362).

The spelling of 140111210321 in words is "one hundred forty billion, one hundred eleven million, two hundred ten thousand, three hundred twenty-one".