212211001122 has 32 divisors (see below), whose sum is σ = 450851873472. Its totient is φ = 66359130624.

The previous prime is 212211001117. The next prime is 212211001129. The reversal of 212211001122 is 221100112212.

It is not an unprimeable number, because it can be changed into a prime (212211001129) 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, 3357123 + ... + 3419750.

It is an arithmetic number, because the mean of its divisors is an integer number (14089121046).

Almost surely, 2^212211001122 is an apocalyptic number.

212211001122 is an abundant number, since it is smaller than the sum of its proper divisors (238640872350).

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

212211001122 is a wasteful number, since it uses less digits than its factorization.

212211001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777202.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212211001122 its reverse (221100112212), we get a palindrome (433311113334).

The spelling of 212211001122 in words is "two hundred twelve billion, two hundred eleven million, one thousand, one hundred twenty-two".