107321871421 has 2 divisors, whose sum is σ = 107321871422. Its totient is φ = 107321871420.

The previous prime is 107321871413. The next prime is 107321871499. The reversal of 107321871421 is 124178123701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107063112025 + 258759396 = 327205^2 + 16086^2 .

It is a cyclic number.

It is not a de Polignac number, because 107321871421 - 2³ = 107321871413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107321871121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53660935710 + 53660935711.

It is an arithmetic number, because the mean of its divisors is an integer number (53660935711).

Almost surely, 2^107321871421 is an apocalyptic number.

It is an amenable number.

107321871421 is a deficient number, since it is larger than the sum of its proper divisors (1).

107321871421 is an equidigital number, since it uses as much as digits as its factorization.

107321871421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 107321871421 in words is "one hundred seven billion, three hundred twenty-one million, eight hundred seventy-one thousand, four hundred twenty-one".