232001120021 has 16 divisors (see below), whose sum is σ = 258547645440. Its totient is φ = 206366298480.

The previous prime is 232001120003. The next prime is 232001120027. The reversal of 232001120021 is 120021100232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 232001120021 - 2⁶ = 232001119957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232001119978 and 232001120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232001120027) 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, 1894370 + ... + 2013116.

It is an arithmetic number, because the mean of its divisors is an integer number (16159227840).

Almost surely, 2^232001120021 is an apocalyptic number.

It is an amenable number.

232001120021 is a deficient number, since it is larger than the sum of its proper divisors (26546525419).

232001120021 is a wasteful number, since it uses less digits than its factorization.

232001120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122584.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 232001120021 its reverse (120021100232), we get a palindrome (352022220253).

The spelling of 232001120021 in words is "two hundred thirty-two billion, one million, one hundred twenty thousand, twenty-one".