320012041111 has 4 divisors (see below), whose sum is σ = 365728046992. Its totient is φ = 274296035232.

The previous prime is 320012041103. The next prime is 320012041169. The reversal of 320012041111 is 111140210023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320012041111 - 2³ = 320012041103 is a prime.

It is a super-2 number, since 2×320012041111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320012041411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22858002930 + ... + 22858002943.

It is an arithmetic number, because the mean of its divisors is an integer number (91432011748).

Almost surely, 2^320012041111 is an apocalyptic number.

320012041111 is a deficient number, since it is larger than the sum of its proper divisors (45716005881).

320012041111 is an equidigital number, since it uses as much as digits as its factorization.

320012041111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45716005880.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 320012041111 its reverse (111140210023), we get a palindrome (431152251134).

The spelling of 320012041111 in words is "three hundred twenty billion, twelve million, forty-one thousand, one hundred eleven".