140103110404021 has 2 divisors, whose sum is σ = 140103110404022. Its totient is φ = 140103110404020.

The previous prime is 140103110404003. The next prime is 140103110404069. The reversal of 140103110404021 is 120404011301041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125325897959025 + 14777212444996 = 11194905^2 + 3844114^2 .

It is a cyclic number.

It is not a de Polignac number, because 140103110404021 - 2²⁷ = 140102976186293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140103110403983 and 140103110404001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140103110408021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70051555202010 + 70051555202011.

It is an arithmetic number, because the mean of its divisors is an integer number (70051555202011).

Almost surely, 2^{140103110404021} is an apocalyptic number.

It is an amenable number.

140103110404021 is a deficient number, since it is larger than the sum of its proper divisors (1).

140103110404021 is an equidigital number, since it uses as much as digits as its factorization.

140103110404021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 140103110404021 its reverse (120404011301041), we get a palindrome (260507121705062).

The spelling of 140103110404021 in words is "one hundred forty trillion, one hundred three billion, one hundred ten million, four hundred four thousand, twenty-one".