321110021112 has 32 divisors (see below), whose sum is σ = 804371057280. Its totient is φ = 106823873120.

The previous prime is 321110021059. The next prime is 321110021119. The reversal of 321110021112 is 211120011123.

It is a super-2 number, since 2×321110021112² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321110021091 and 321110021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321110021119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13287714 + ... + 13311857.

It is an arithmetic number, because the mean of its divisors is an integer number (25136595540).

Almost surely, 2^321110021112 is an apocalyptic number.

It is an amenable number.

321110021112 is an abundant number, since it is smaller than the sum of its proper divisors (483261036168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321110021112 is a wasteful number, since it uses less digits than its factorization.

321110021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26600083 (or 26600079 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 321110021112 its reverse (211120011123), we get a palindrome (532230032235).

The spelling of 321110021112 in words is "three hundred twenty-one billion, one hundred ten million, twenty-one thousand, one hundred twelve".