4234211210021 has 8 divisors (see below), whose sum is σ = 4588963841784. Its totient is φ = 3883607732160.

The previous prime is 4234211209939. The next prime is 4234211210057. The reversal of 4234211210021 is 1200121124324.

It can be written as a sum of positive squares in 4 ways, for example, as 213664893121 + 4020546316900 = 462239^2 + 2005130^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4234211210021 - 2²⁶ = 4234144101157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234211210221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037286350 + ... + 1037290431.

It is an arithmetic number, because the mean of its divisors is an integer number (573620480223).

Almost surely, 2^{4234211210021} is an apocalyptic number.

It is an amenable number.

4234211210021 is a deficient number, since it is larger than the sum of its proper divisors (354752631763).

4234211210021 is a wasteful number, since it uses less digits than its factorization.

4234211210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074576951.

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

Adding to 4234211210021 its reverse (1200121124324), we get a palindrome (5434332334345).

The spelling of 4234211210021 in words is "four trillion, two hundred thirty-four billion, two hundred eleven million, two hundred ten thousand, twenty-one".