211121200210 has 32 divisors (see below), whose sum is σ = 410933295360. Its totient is φ = 77789836032.

The previous prime is 211121200187. The next prime is 211121200211. The reversal of 211121200210 is 12002121112.

It is a super-2 number, since 2×211121200210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211121200211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13203600 + ... + 13219579.

It is an arithmetic number, because the mean of its divisors is an integer number (12841665480).

Almost surely, 2^211121200210 is an apocalyptic number.

211121200210 is a deficient number, since it is larger than the sum of its proper divisors (199812095150).

211121200210 is a wasteful number, since it uses less digits than its factorization.

211121200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26423250.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211121200210 its reverse (12002121112), we get a palindrome (223123321322).

The spelling of 211121200210 in words is "two hundred eleven billion, one hundred twenty-one million, two hundred thousand, two hundred ten".