211121011210210 has 64 divisors (see below), whose sum is σ = 383704649055360. Its totient is φ = 83633248258560.

The previous prime is 211121011210157. The next prime is 211121011210243. The reversal of 211121011210210 is 12012110121112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589292494 + ... + 589650646.

It is an arithmetic number, because the mean of its divisors is an integer number (5995385141490).

Almost surely, 2^{211121011210210} is an apocalyptic number.

211121011210210 is a deficient number, since it is larger than the sum of its proper divisors (172583637845150).

211121011210210 is a wasteful number, since it uses less digits than its factorization.

211121011210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359603.

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

Adding to 211121011210210 its reverse (12012110121112), we get a palindrome (223133121331322).

The spelling of 211121011210210 in words is "two hundred eleven trillion, one hundred twenty-one billion, eleven million, two hundred ten thousand, two hundred ten".