107267821421 has 2 divisors, whose sum is σ = 107267821422. Its totient is φ = 107267821420.

The previous prime is 107267821417. The next prime is 107267821499. The reversal of 107267821421 is 124128762701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86556582025 + 20711239396 = 294205^2 + 143914^2 .

It is a cyclic number.

It is not a de Polignac number, because 107267821421 - 2² = 107267821417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107267827421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53633910710 + 53633910711.

It is an arithmetic number, because the mean of its divisors is an integer number (53633910711).

Almost surely, 2^107267821421 is an apocalyptic number.

It is an amenable number.

107267821421 is a deficient number, since it is larger than the sum of its proper divisors (1).

107267821421 is an equidigital number, since it uses as much as digits as its factorization.

107267821421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 107267821421 in words is "one hundred seven billion, two hundred sixty-seven million, eight hundred twenty-one thousand, four hundred twenty-one".