312224100221111 has 8 divisors (see below), whose sum is σ = 336260670935280. Its totient is φ = 288190291254912.

The previous prime is 312224100221087. The next prime is 312224100221161. The reversal of 312224100221111 is 111122001422213.

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 312224100221111 - 2¹⁴ = 312224100204727 is a prime.

It is a super-4 number, since 4×312224100221111⁴ (a number of 59 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312224100221161) 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, 690202181 + ... + 690654398.

It is an arithmetic number, because the mean of its divisors is an integer number (42032583866910).

Almost surely, 2^{312224100221111} is an apocalyptic number.

312224100221111 is a deficient number, since it is larger than the sum of its proper divisors (24036570714169).

312224100221111 is a wasteful number, since it uses less digits than its factorization.

312224100221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380873985.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 312224100221111 its reverse (111122001422213), we get a palindrome (423346101643324).

The spelling of 312224100221111 in words is "three hundred twelve trillion, two hundred twenty-four billion, one hundred million, two hundred twenty-one thousand, one hundred eleven".