4231010100221 has 4 divisors (see below), whose sum is σ = 4231779240444. Its totient is φ = 4230240960000.

The previous prime is 4231010100169. The next prime is 4231010100257. The reversal of 4231010100221 is 1220010101324.

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 4108607380900 + 122402719321 = 2026970^2 + 349861^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231010100221 - 2²⁶ = 4230942991357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231010100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231010100721) 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, 384561860 + ... + 384572861.

It is an arithmetic number, because the mean of its divisors is an integer number (1057944810111).

Almost surely, 2^{4231010100221} is an apocalyptic number.

It is an amenable number.

4231010100221 is a deficient number, since it is larger than the sum of its proper divisors (769140223).

4231010100221 is an equidigital number, since it uses as much as digits as its factorization.

4231010100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769140222.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 4231010100221 its reverse (1220010101324), we get a palindrome (5451020201545).

The spelling of 4231010100221 in words is "four trillion, two hundred thirty-one billion, ten million, one hundred thousand, two hundred twenty-one".