101424211421 has 8 divisors (see below), whose sum is σ = 109357841880. Its totient is φ = 93509404992.

The previous prime is 101424211397. The next prime is 101424211507. The reversal of 101424211421 is 124112424101.

It can be written as a sum of positive squares in 4 ways, for example, as 6736305625 + 94687905796 = 82075^2 + 307714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101424211421 - 2¹⁰ = 101424210397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101424231421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4694810 + ... + 4716363.

It is an arithmetic number, because the mean of its divisors is an integer number (13669730235).

Almost surely, 2^101424211421 is an apocalyptic number.

It is an amenable number.

101424211421 is a deficient number, since it is larger than the sum of its proper divisors (7933630459).

101424211421 is an equidigital number, since it uses as much as digits as its factorization.

101424211421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412015.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 101424211421 its reverse (124112424101), we get a palindrome (225536635522).

The spelling of 101424211421 in words is "one hundred one billion, four hundred twenty-four million, two hundred eleven thousand, four hundred twenty-one".