313211201222111 has 16 divisors (see below), whose sum is σ = 332627180760000. Its totient is φ = 293906453667840.

The previous prime is 313211201222053. The next prime is 313211201222149. The reversal of 313211201222111 is 111222102112313.

It is a cyclic number.

It is not a de Polignac number, because 313211201222111 - 2¹⁸ = 313211200959967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313211201252111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6435635 + ... + 25842596.

It is an arithmetic number, because the mean of its divisors is an integer number (20789198797500).

Almost surely, 2^{313211201222111} is an apocalyptic number.

313211201222111 is a deficient number, since it is larger than the sum of its proper divisors (19415979537889).

313211201222111 is a wasteful number, since it uses less digits than its factorization.

313211201222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32279954.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 313211201222111 its reverse (111222102112313), we get a palindrome (424433303334424).

The spelling of 313211201222111 in words is "three hundred thirteen trillion, two hundred eleven billion, two hundred one million, two hundred twenty-two thousand, one hundred eleven".