232111213021 has 8 divisors (see below), whose sum is σ = 235650159360. Its totient is φ = 228574460928.

The previous prime is 232111212967. The next prime is 232111213031. The reversal of 232111213021 is 120312111232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232111213021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232111213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232111213031) 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, 334756 + ... + 759133.

It is an arithmetic number, because the mean of its divisors is an integer number (29456269920).

Almost surely, 2^232111213021 is an apocalyptic number.

It is an amenable number.

232111213021 is a deficient number, since it is larger than the sum of its proper divisors (3538946339).

232111213021 is a wasteful number, since it uses less digits than its factorization.

232111213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097123.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 232111213021 its reverse (120312111232), we get a palindrome (352423324253).

The spelling of 232111213021 in words is "two hundred thirty-two billion, one hundred eleven million, two hundred thirteen thousand, twenty-one".