101422140432409 has 2 divisors, whose sum is σ = 101422140432410. Its totient is φ = 101422140432408.

The previous prime is 101422140432407. The next prime is 101422140432491. The reversal of 101422140432409 is 904234041224101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61593066015625 + 39829074416784 = 7848125^2 + 6311028^2 .

It is a cyclic number.

It is not a de Polignac number, because 101422140432409 - 2¹ = 101422140432407 is a prime.

Together with 101422140432407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101422140432407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50711070216204 + 50711070216205.

It is an arithmetic number, because the mean of its divisors is an integer number (50711070216205).

Almost surely, 2^{101422140432409} is an apocalyptic number.

It is an amenable number.

101422140432409 is a deficient number, since it is larger than the sum of its proper divisors (1).

101422140432409 is an equidigital number, since it uses as much as digits as its factorization.

101422140432409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 101422140432409 in words is "one hundred one trillion, four hundred twenty-two billion, one hundred forty million, four hundred thirty-two thousand, four hundred nine".