234211021 has 8 divisors (see below), whose sum is σ = 258033888. Its totient is φ = 210810000.

The previous prime is 234211013. The next prime is 234211027. The reversal of 234211021 is 120112432.

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

It is a cyclic number.

It is not a de Polignac number, because 234211021 - 2³ = 234211013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234210986 and 234211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234211027) 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, 104295 + ... + 106516.

It is an arithmetic number, because the mean of its divisors is an integer number (32254236).

Almost surely, 2^234211021 is an apocalyptic number.

It is an amenable number.

234211021 is a deficient number, since it is larger than the sum of its proper divisors (23822867).

234211021 is a wasteful number, since it uses less digits than its factorization.

234211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210923.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 234211021 is about 15303.9544236122. The cubic root of 234211021 is about 616.4091958839.

Adding to 234211021 its reverse (120112432), we get a palindrome (354323453).

It can be divided in two parts, 23421 and 1021, that added together give a palindrome (24442).

The spelling of 234211021 in words is "two hundred thirty-four million, two hundred eleven thousand, twenty-one".