234213242121 has 16 divisors (see below), whose sum is σ = 351735769920. Its totient is φ = 154003226400.

The previous prime is 234213242113. The next prime is 234213242147. The reversal of 234213242121 is 121242312432.

234213242121 is a `hidden beast` number, since 2 + 3 + 4 + 213 + 2 + 421 + 21 = 666.

It is not a de Polignac number, because 234213242121 - 2³ = 234213242113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (234213242321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59412855 + ... + 59416796.

It is an arithmetic number, because the mean of its divisors is an integer number (21983485620).

Almost surely, 2^234213242121 is an apocalyptic number.

It is an amenable number.

234213242121 is a deficient number, since it is larger than the sum of its proper divisors (117522527799).

234213242121 is a wasteful number, since it uses less digits than its factorization.

234213242121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118829733 (or 118829727 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 234213242121 its reverse (121242312432), we get a palindrome (355455554553).

The spelling of 234213242121 in words is "two hundred thirty-four billion, two hundred thirteen million, two hundred forty-two thousand, one hundred twenty-one".