103204011421 has 4 divisors (see below), whose sum is σ = 117947441632. Its totient is φ = 88460581212.

The previous prime is 103204011419. The next prime is 103204011439. The reversal of 103204011421 is 124110402301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124110402301 = 31847 ⋅3897083.

It is a cyclic number.

It is not a de Polignac number, because 103204011421 - 2¹ = 103204011419 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 (103204011481) 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, 7371715095 + ... + 7371715108.

It is an arithmetic number, because the mean of its divisors is an integer number (29486860408).

Almost surely, 2^103204011421 is an apocalyptic number.

It is an amenable number.

103204011421 is a deficient number, since it is larger than the sum of its proper divisors (14743430211).

103204011421 is an equidigital number, since it uses as much as digits as its factorization.

103204011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14743430210.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 103204011421 its reverse (124110402301), we get a palindrome (227314413722).

The spelling of 103204011421 in words is "one hundred three billion, two hundred four million, eleven thousand, four hundred twenty-one".