211432213122 has 32 divisors (see below), whose sum is σ = 465081668352. Its totient is φ = 63671892864.

The previous prime is 211432213093. The next prime is 211432213129. The reversal of 211432213122 is 221312234112.

It is a junction number, because it is equal to n+sod(n) for n = 211432213092 and 211432213101.

It is not an unprimeable number, because it can be changed into a prime (211432213129) 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 15 ways as a sum of consecutive naturals, for example, 28833243 + ... + 28840574.

It is an arithmetic number, because the mean of its divisors is an integer number (14533802136).

Almost surely, 2^211432213122 is an apocalyptic number.

211432213122 is an abundant number, since it is smaller than the sum of its proper divisors (253649455230).

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

211432213122 is a wasteful number, since it uses less digits than its factorization.

211432213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57673882.

The product of its digits is 1152, while the sum is 24.

Adding to 211432213122 its reverse (221312234112), we get a palindrome (432744447234).

The spelling of 211432213122 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred thirteen thousand, one hundred twenty-two".