211022121000212 has 24 divisors (see below), whose sum is σ = 371427657561576. Its totient is φ = 104899947342848.

The previous prime is 211022121000209. The next prime is 211022121000221. The reversal of 211022121000212 is 212000121220112.

It can be written as a sum of positive squares in 4 ways, for example, as 177876262524676 + 33145858475536 = 13337026^2 + 5757244^2 .

It is a super-2 number, since 2×211022121000212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59146988 + ... + 62613180.

It is an arithmetic number, because the mean of its divisors is an integer number (15476152398399).

Almost surely, 2^{211022121000212} is an apocalyptic number.

It is an amenable number.

211022121000212 is a deficient number, since it is larger than the sum of its proper divisors (160405536561364).

211022121000212 is a wasteful number, since it uses less digits than its factorization.

211022121000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554347 (or 3554345 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211022121000212 its reverse (212000121220112), we get a palindrome (423022242220324).

The spelling of 211022121000212 in words is "two hundred eleven trillion, twenty-two billion, one hundred twenty-one million, two hundred twelve", and thus it is an aban number.