234043042212221 has 8 divisors (see below), whose sum is σ = 255413240409600. Its totient is φ = 212688437014240.

The previous prime is 234043042212211. The next prime is 234043042212289. The reversal of 234043042212221 is 122212240340432.

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

It is not a de Polignac number, because 234043042212221 - 2⁶ = 234043042212157 is a prime.

It is a super-2 number, since 2×234043042212221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234043042212211) 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, 3898218461 + ... + 3898278498.

It is an arithmetic number, because the mean of its divisors is an integer number (31926655051200).

Almost surely, 2^{234043042212221} is an apocalyptic number.

It is an amenable number.

234043042212221 is a deficient number, since it is larger than the sum of its proper divisors (21370198197379).

234043042212221 is a wasteful number, since it uses less digits than its factorization.

234043042212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796499699.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 234043042212221 its reverse (122212240340432), we get a palindrome (356255282552653).

The spelling of 234043042212221 in words is "two hundred thirty-four trillion, forty-three billion, forty-two million, two hundred twelve thousand, two hundred twenty-one".