211122000212 has 12 divisors (see below), whose sum is σ = 371816772180. Its totient is φ = 104888636736.

The previous prime is 211122000209. The next prime is 211122000241. The reversal of 211122000212 is 212000221112.

It can be written as a sum of positive squares in 2 ways, for example, as 103861820176 + 107260180036 = 322276^2 + 327506^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 168090137 + ... + 168091392.

It is an arithmetic number, because the mean of its divisors is an integer number (30984731015).

Almost surely, 2^211122000212 is an apocalyptic number.

It is an amenable number.

211122000212 is a deficient number, since it is larger than the sum of its proper divisors (160694771968).

211122000212 is a wasteful number, since it uses less digits than its factorization.

211122000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336181690 (or 336181688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211122000212 its reverse (212000221112), we get a palindrome (423122221324).

The spelling of 211122000212 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred twelve", and thus it is an aban number.