101421003043 has 12 divisors (see below), whose sum is σ = 107020787328. Its totient is φ = 96076067360.

The previous prime is 101421003037. The next prime is 101421003049. The reversal of 101421003043 is 340300124101.

It is an interprime number because it is at equal distance from previous prime (101421003037) and next prime (101421003049).

It is not a de Polignac number, because 101421003043 - 2⁹ = 101421002531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101421003043.

It is not an unprimeable number, because it can be changed into a prime (101421003049) 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 11 ways as a sum of consecutive naturals, for example, 1093123 + ... + 1182268.

It is an arithmetic number, because the mean of its divisors is an integer number (8918398944).

Almost surely, 2^101421003043 is an apocalyptic number.

101421003043 is a deficient number, since it is larger than the sum of its proper divisors (5599784285).

101421003043 is an equidigital number, since it uses as much as digits as its factorization.

101421003043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275502 (or 2275473 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101421003043 its reverse (340300124101), we get a palindrome (441721127144).

The spelling of 101421003043 in words is "one hundred one billion, four hundred twenty-one million, three thousand, forty-three".