101344043421 has 108 divisors (see below), whose sum is σ = 159396614208. Its totient is φ = 62003620800.

The previous prime is 101344043407. The next prime is 101344043429. The reversal of 101344043421 is 124340443101.

It is not a de Polignac number, because 101344043421 - 2⁶ = 101344043357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101344043429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1512597630 + ... + 1512597696.

It is an arithmetic number, because the mean of its divisors is an integer number (1475894576).

Almost surely, 2^101344043421 is an apocalyptic number.

It is an amenable number.

101344043421 is a deficient number, since it is larger than the sum of its proper divisors (58052570787).

101344043421 is an equidigital number, since it uses as much as digits as its factorization.

101344043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 101344043421 its reverse (124340443101), we get a palindrome (225684486522).

The spelling of 101344043421 in words is "one hundred one billion, three hundred forty-four million, forty-three thousand, four hundred twenty-one".