211243232210 has 16 divisors (see below), whose sum is σ = 380321487000. Its totient is φ = 84478699776.

The previous prime is 211243232209. The next prime is 211243232243. The reversal of 211243232210 is 12232342112.

It can be written as a sum of positive squares in 4 ways, for example, as 120423574441 + 90819657769 = 347021^2 + 301363^2 .

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, 2276375 + ... + 2367354.

Almost surely, 2^211243232210 is an apocalyptic number.

211243232210 is a deficient number, since it is larger than the sum of its proper divisors (169078254790).

211243232210 is a wasteful number, since it uses less digits than its factorization.

211243232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648285.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211243232210 its reverse (12232342112), we get a palindrome (223475574322).

The spelling of 211243232210 in words is "two hundred eleven billion, two hundred forty-three million, two hundred thirty-two thousand, two hundred ten".