103113422043221 has 4 divisors (see below), whose sum is σ = 103449296382432. Its totient is φ = 102777547704012.

The previous prime is 103113422043173. The next prime is 103113422043299. The reversal of 103113422043221 is 122340224311301.

It is a happy number.

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 103113422043221 - 2⁴² = 98715375532117 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 (103113422043521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167937169145 + ... + 167937169758.

It is an arithmetic number, because the mean of its divisors is an integer number (25862324095608).

Almost surely, 2^{103113422043221} is an apocalyptic number.

It is an amenable number.

103113422043221 is a deficient number, since it is larger than the sum of its proper divisors (335874339211).

103113422043221 is an equidigital number, since it uses as much as digits as its factorization.

103113422043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335874339210.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 103113422043221 its reverse (122340224311301), we get a palindrome (225453646354522).

The spelling of 103113422043221 in words is "one hundred three trillion, one hundred thirteen billion, four hundred twenty-two million, forty-three thousand, two hundred twenty-one".