211242434221122 has 64 divisors (see below), whose sum is σ = 430794031503360. Its totient is φ = 69044791205376.

The previous prime is 211242434221109. The next prime is 211242434221151. The reversal of 211242434221122 is 221122434242112.

It is a super-3 number, since 3×211242434221122³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36716403 + ... + 42078249.

It is an arithmetic number, because the mean of its divisors is an integer number (6731156742240).

Almost surely, 2^{211242434221122} is an apocalyptic number.

211242434221122 is an abundant number, since it is smaller than the sum of its proper divisors (219551597282238).

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

211242434221122 is a wasteful number, since it uses less digits than its factorization.

211242434221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362575.

The product of its digits is 24576, while the sum is 33.

Adding to 211242434221122 its reverse (221122434242112), we get a palindrome (432364868463234).

The spelling of 211242434221122 in words is "two hundred eleven trillion, two hundred forty-two billion, four hundred thirty-four million, two hundred twenty-one thousand, one hundred twenty-two".