211141231422 has 128 divisors (see below), whose sum is σ = 491734333440. Its totient is φ = 59835740160.

The previous prime is 211141231381. The next prime is 211141231447. The reversal of 211141231422 is 224132141112.

It is a junction number, because it is equal to n+sod(n) for n = 211141231392 and 211141231401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8713828 + ... + 8738024.

It is an arithmetic number, because the mean of its divisors is an integer number (3841674480).

Almost surely, 2^211141231422 is an apocalyptic number.

211141231422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 211141231422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245867166720).

211141231422 is an abundant number, since it is smaller than the sum of its proper divisors (280593102018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211141231422 is a wasteful number, since it uses less digits than its factorization.

211141231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24386.

The product of its digits is 768, while the sum is 24.

Adding to 211141231422 its reverse (224132141112), we get a palindrome (435273372534).

The spelling of 211141231422 in words is "two hundred eleven billion, one hundred forty-one million, two hundred thirty-one thousand, four hundred twenty-two".