101421432407 has 2 divisors, whose sum is σ = 101421432408. Its totient is φ = 101421432406.

The previous prime is 101421432397. The next prime is 101421432433. The reversal of 101421432407 is 704234124101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101421432407 - 2²⁸ = 101152996951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101421432407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101421432487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50710716203 + 50710716204.

It is an arithmetic number, because the mean of its divisors is an integer number (50710716204).

Almost surely, 2^101421432407 is an apocalyptic number.

101421432407 is a deficient number, since it is larger than the sum of its proper divisors (1).

101421432407 is an equidigital number, since it uses as much as digits as its factorization.

101421432407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 101421432407 its reverse (704234124101), we get a palindrome (805655556508).

The spelling of 101421432407 in words is "one hundred one billion, four hundred twenty-one million, four hundred thirty-two thousand, four hundred seven".