101143403421 has 4 divisors (see below), whose sum is σ = 134857871232. Its totient is φ = 67428935612.

The previous prime is 101143403411. The next prime is 101143403447. The reversal of 101143403421 is 124304341101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101143403421 - 2⁷ = 101143403293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101143403391 and 101143403400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101143403401) 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 3 ways as a sum of consecutive naturals, for example, 16857233901 + ... + 16857233906.

It is an arithmetic number, because the mean of its divisors is an integer number (33714467808).

Almost surely, 2^101143403421 is an apocalyptic number.

It is an amenable number.

101143403421 is a deficient number, since it is larger than the sum of its proper divisors (33714467811).

101143403421 is an equidigital number, since it uses as much as digits as its factorization.

101143403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33714467810.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 101143403421 its reverse (124304341101), we get a palindrome (225447744522).

The spelling of 101143403421 in words is "one hundred one billion, one hundred forty-three million, four hundred three thousand, four hundred twenty-one".