103413421004221 has 24 divisors (see below), whose sum is σ = 110036752626240. Its totient is φ = 97168753608192.

The previous prime is 103413421004191. The next prime is 103413421004237. The reversal of 103413421004221 is 122400124314301.

It is a happy number.

It is not a de Polignac number, because 103413421004221 - 2⁹ = 103413421003709 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 103413421004221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103413421004521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1488720736 + ... + 1488790198.

It is an arithmetic number, because the mean of its divisors is an integer number (4584864692760).

Almost surely, 2^{103413421004221} is an apocalyptic number.

It is an amenable number.

103413421004221 is a deficient number, since it is larger than the sum of its proper divisors (6623331622019).

103413421004221 is an equidigital number, since it uses as much as digits as its factorization.

103413421004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77973 (or 77956 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 103413421004221 its reverse (122400124314301), we get a palindrome (225813545318522).

The spelling of 103413421004221 in words is "one hundred three trillion, four hundred thirteen billion, four hundred twenty-one million, four thousand, two hundred twenty-one".