4103210124221 has 4 divisors (see below), whose sum is σ = 4418841672252. Its totient is φ = 3787578576192.

The previous prime is 4103210124217. The next prime is 4103210124253. The reversal of 4103210124221 is 1224210123014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1442677243225 + 2660532880996 = 1201115^2 + 1631114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4103210124221 - 2² = 4103210124217 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 (4103210124271) 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, 157815773996 + ... + 157815774021.

It is an arithmetic number, because the mean of its divisors is an integer number (1104710418063).

Almost surely, 2^{4103210124221} is an apocalyptic number.

It is an amenable number.

4103210124221 is a deficient number, since it is larger than the sum of its proper divisors (315631548031).

4103210124221 is a wasteful number, since it uses less digits than its factorization.

4103210124221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315631548030.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4103210124221 its reverse (1224210123014), we get a palindrome (5327420247235).

The spelling of 4103210124221 in words is "four trillion, one hundred three billion, two hundred ten million, one hundred twenty-four thousand, two hundred twenty-one".