211120211102210 has 16 divisors (see below), whose sum is σ = 380022620983992. Its totient is φ = 84446697552000.

The previous prime is 211120211102081. The next prime is 211120211102219. The reversal of 211120211102210 is 12201112021112.

It can be written as a sum of positive squares in 4 ways, for example, as 138625357001329 + 72494854100881 = 11773927^2 + 8514391^2 .

It is not an unprimeable number, because it can be changed into a prime (211120211102219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172721651 + ... + 173939670.

Almost surely, 2^{211120211102210} is an apocalyptic number.

211120211102210 is a deficient number, since it is larger than the sum of its proper divisors (168902409881782).

211120211102210 is a wasteful number, since it uses less digits than its factorization.

211120211102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346722229.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211120211102210 its reverse (12201112021112), we get a palindrome (223321323123322).

The spelling of 211120211102210 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred eleven million, one hundred two thousand, two hundred ten".