321112220101 has 8 divisors (see below), whose sum is σ = 327328121120. Its totient is φ = 314938177488.

The previous prime is 321112220083. The next prime is 321112220141. The reversal of 321112220101 is 101022211123.

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

It is a cyclic number.

It is not a de Polignac number, because 321112220101 - 2²³ = 321103831493 is a prime.

It is a super-2 number, since 2×321112220101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321112220141) 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, 10449111 + ... + 10479796.

It is an arithmetic number, because the mean of its divisors is an integer number (40916015140).

Almost surely, 2^321112220101 is an apocalyptic number.

It is an amenable number.

321112220101 is a deficient number, since it is larger than the sum of its proper divisors (6215901019).

321112220101 is a wasteful number, since it uses less digits than its factorization.

321112220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20929203.

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

Adding to 321112220101 its reverse (101022211123), we get a palindrome (422134431224).

The spelling of 321112220101 in words is "three hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, one hundred one".