211142104422 has 32 divisors (see below), whose sum is σ = 449092291200. Its totient is φ = 65989064448.

The previous prime is 211142104421. The next prime is 211142104451. The reversal of 211142104422 is 224401241112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211142104392 and 211142104401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211142104421) 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, 9535972 + ... + 9558087.

It is an arithmetic number, because the mean of its divisors is an integer number (14034134100).

Almost surely, 2^211142104422 is an apocalyptic number.

211142104422 is an abundant number, since it is smaller than the sum of its proper divisors (237950186778).

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

211142104422 is a wasteful number, since it uses less digits than its factorization.

211142104422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19094180.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 211142104422 its reverse (224401241112), we get a palindrome (435543345534).

The spelling of 211142104422 in words is "two hundred eleven billion, one hundred forty-two million, one hundred four thousand, four hundred twenty-two".