211121212000210 has 16 divisors (see below), whose sum is σ = 380018956216536. Its totient is φ = 84448312663168.

The previous prime is 211121212000201. The next prime is 211121212000229. The reversal of 211121212000210 is 12000212121112.

It can be written as a sum of positive squares in 4 ways, for example, as 127166195686401 + 83955016313809 = 11276799^2 + 9162697^2 .

It is a super-2 number, since 2×211121212000210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16305829 + ... + 26232088.

Almost surely, 2^{211121212000210} is an apocalyptic number.

211121212000210 is a deficient number, since it is larger than the sum of its proper divisors (168897744216326).

211121212000210 is a wasteful number, since it uses less digits than its factorization.

211121212000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43034237.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211121212000210 its reverse (12000212121112), we get a palindrome (223121424121322).

The spelling of 211121212000210 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twelve million, two hundred ten", and thus it is an aban number.