211201210111210 has 32 divisors (see below), whose sum is σ = 418828538381184. Its totient is φ = 76040039640000.

The previous prime is 211201210111147. The next prime is 211201210111211. The reversal of 211201210111210 is 12111012102112.

It is not an unprimeable number, because it can be changed into a prime (211201210111211) 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, 9504993846 + ... + 9505016065.

It is an arithmetic number, because the mean of its divisors is an integer number (13088391824412).

Almost surely, 2^{211201210111210} is an apocalyptic number.

211201210111210 is a deficient number, since it is larger than the sum of its proper divisors (207627328269974).

211201210111210 is a wasteful number, since it uses less digits than its factorization.

211201210111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19010010030.

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

Adding to 211201210111210 its reverse (12111012102112), we get a palindrome (223312222213322).

The spelling of 211201210111210 in words is "two hundred eleven trillion, two hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred ten".