211332123231 has 8 divisors (see below), whose sum is σ = 282340848000. Its totient is φ = 140605740312.

The previous prime is 211332123229. The next prime is 211332123241. The reversal of 211332123231 is 132321233112.

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

It is not a de Polignac number, because 211332123231 - 2¹ = 211332123229 is a prime.

It is a super-2 number, since 2×211332123231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70583715 + ... + 70586708.

It is an arithmetic number, because the mean of its divisors is an integer number (35292606000).

Almost surely, 2^211332123231 is an apocalyptic number.

211332123231 is a deficient number, since it is larger than the sum of its proper divisors (71008724769).

211332123231 is a wasteful number, since it uses less digits than its factorization.

211332123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141170925.

The product of its digits is 1296, while the sum is 24.

Adding to 211332123231 its reverse (132321233112), we get a palindrome (343653356343).

The spelling of 211332123231 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred thirty-one".