232001321111 has 24 divisors (see below), whose sum is σ = 273749538816. Its totient is φ = 196007789040.

The previous prime is 232001321063. The next prime is 232001321159. The reversal of 232001321111 is 111123100232.

It is an interprime number because it is at equal distance from previous prime (232001321063) and next prime (232001321159).

It is a de Polignac number, because none of the positive numbers 2^k-232001321111 is a prime.

It is a super-2 number, since 2×232001321111² (a number of 24 digits) contains 22 as substring.

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 232001321111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232001321171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21867170 + ... + 21877776.

It is an arithmetic number, because the mean of its divisors is an integer number (11406230784).

Almost surely, 2^232001321111 is an apocalyptic number.

232001321111 is a deficient number, since it is larger than the sum of its proper divisors (41748217705).

232001321111 is a wasteful number, since it uses less digits than its factorization.

232001321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16979 (or 16972 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 232001321111 its reverse (111123100232), we get a palindrome (343124421343).

The spelling of 232001321111 in words is "two hundred thirty-two billion, one million, three hundred twenty-one thousand, one hundred eleven".