211100122210 has 16 divisors (see below), whose sum is σ = 380423619576. Its totient is φ = 84341515648.

The previous prime is 211100122187. The next prime is 211100122223. The reversal of 211100122210 is 12221001112.

It can be written as a sum of positive squares in 4 ways, for example, as 167805748881 + 43294373329 = 409641^2 + 208073^2 .

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, 12307657 + ... + 12324796.

Almost surely, 2^211100122210 is an apocalyptic number.

211100122210 is a deficient number, since it is larger than the sum of its proper divisors (169323497366).

211100122210 is a wasteful number, since it uses less digits than its factorization.

211100122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24633317.

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

Adding to 211100122210 its reverse (12221001112), we get a palindrome (223321123322).

The spelling of 211100122210 in words is "two hundred eleven billion, one hundred million, one hundred twenty-two thousand, two hundred ten".