103404203221 has 4 divisors (see below), whose sum is σ = 112804585344. Its totient is φ = 94003821100.

The previous prime is 103404203219. The next prime is 103404203303. The reversal of 103404203221 is 122302404301.

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 103404203221 - 2¹ = 103404203219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103404203192 and 103404203201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103404206221) 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, 4700191045 + ... + 4700191066.

It is an arithmetic number, because the mean of its divisors is an integer number (28201146336).

Almost surely, 2^103404203221 is an apocalyptic number.

103404203221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103404203221 is a deficient number, since it is larger than the sum of its proper divisors (9400382123).

103404203221 is an equidigital number, since it uses as much as digits as its factorization.

103404203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400382122.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 103404203221 its reverse (122302404301), we get a palindrome (225706607522).

The spelling of 103404203221 in words is "one hundred three billion, four hundred four million, two hundred three thousand, two hundred twenty-one".