211112322231 has 8 divisors (see below), whose sum is σ = 281488056304. Its totient is φ = 140739068160.

The previous prime is 211112322229. The next prime is 211112322233. The reversal of 211112322231 is 132223211112.

211112322231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211112322229) and next prime (211112322233).

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

It is not a de Polignac number, because 211112322231 - 2¹ = 211112322229 is a prime.

It is a super-2 number, since 2×211112322231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211112322198 and 211112322207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112322233) 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, 411340 + ... + 769041.

It is an arithmetic number, because the mean of its divisors is an integer number (35186007038).

Almost surely, 2^211112322231 is an apocalyptic number.

211112322231 is a deficient number, since it is larger than the sum of its proper divisors (70375734073).

211112322231 is a wasteful number, since it uses less digits than its factorization.

211112322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240001.

The product of its digits is 288, while the sum is 21.

Adding to 211112322231 its reverse (132223211112), we get a palindrome (343335533343).

The spelling of 211112322231 in words is "two hundred eleven billion, one hundred twelve million, three hundred twenty-two thousand, two hundred thirty-one".