103210234221 has 4 divisors (see below), whose sum is σ = 137613645632. Its totient is φ = 68806822812.

The previous prime is 103210234189. The next prime is 103210234243. The reversal of 103210234221 is 122432012301.

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 103210234221 - 2⁵ = 103210234189 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 (103210234261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17201705701 + ... + 17201705706.

It is an arithmetic number, because the mean of its divisors is an integer number (34403411408).

Almost surely, 2^103210234221 is an apocalyptic number.

It is an amenable number.

103210234221 is a deficient number, since it is larger than the sum of its proper divisors (34403411411).

103210234221 is an equidigital number, since it uses as much as digits as its factorization.

103210234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34403411410.

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

Adding to 103210234221 its reverse (122432012301), we get a palindrome (225642246522).

It can be divided in two parts, 103210 and 234221, that added together give a triangular number (337431 = T₈₂₁).

The spelling of 103210234221 in words is "one hundred three billion, two hundred ten million, two hundred thirty-four thousand, two hundred twenty-one".