211441322231 has 8 divisors (see below), whose sum is σ = 212053493760. Its totient is φ = 210829347288.

The previous prime is 211441322201. The next prime is 211441322249. The reversal of 211441322231 is 132223144112.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211441322231 is a prime.

It is a super-2 number, since 2×211441322231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211441322231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211441322201) 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, 2261510 + ... + 2353148.

It is an arithmetic number, because the mean of its divisors is an integer number (26506686720).

Almost surely, 2^211441322231 is an apocalyptic number.

211441322231 is a deficient number, since it is larger than the sum of its proper divisors (612171529).

211441322231 is an equidigital number, since it uses as much as digits as its factorization.

211441322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98293.

The product of its digits is 2304, while the sum is 26.

Adding to 211441322231 its reverse (132223144112), we get a palindrome (343664466343).

The spelling of 211441322231 in words is "two hundred eleven billion, four hundred forty-one million, three hundred twenty-two thousand, two hundred thirty-one".