140201311311421 has 2 divisors, whose sum is σ = 140201311311422. Its totient is φ = 140201311311420.

The previous prime is 140201311311377. The next prime is 140201311311473. The reversal of 140201311311421 is 124113113102041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138801715839396 + 1399595472025 = 11781414^2 + 1183045^2 .

It is a cyclic number.

It is not a de Polignac number, because 140201311311421 - 2¹⁷ = 140201311180349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140201321311421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70100655655710 + 70100655655711.

It is an arithmetic number, because the mean of its divisors is an integer number (70100655655711).

Almost surely, 2^{140201311311421} is an apocalyptic number.

It is an amenable number.

140201311311421 is a deficient number, since it is larger than the sum of its proper divisors (1).

140201311311421 is an equidigital number, since it uses as much as digits as its factorization.

140201311311421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 140201311311421 its reverse (124113113102041), we get a palindrome (264314424413462).

The spelling of 140201311311421 in words is "one hundred forty trillion, two hundred one billion, three hundred eleven million, three hundred eleven thousand, four hundred twenty-one".