103102232421 has 4 divisors (see below), whose sum is σ = 137469643232. Its totient is φ = 68734821612.

The previous prime is 103102232419. The next prime is 103102232447. The reversal of 103102232421 is 124232201301.

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 not a de Polignac number, because 103102232421 - 2¹ = 103102232419 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 (103102232021) 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, 17183705401 + ... + 17183705406.

It is an arithmetic number, because the mean of its divisors is an integer number (34367410808).

Almost surely, 2^103102232421 is an apocalyptic number.

It is an amenable number.

103102232421 is a deficient number, since it is larger than the sum of its proper divisors (34367410811).

103102232421 is an equidigital number, since it uses as much as digits as its factorization.

103102232421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34367410810.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 103102232421 its reverse (124232201301), we get a palindrome (227334433722).

The spelling of 103102232421 in words is "one hundred three billion, one hundred two million, two hundred thirty-two thousand, four hundred twenty-one".