211231120210 has 32 divisors (see below), whose sum is σ = 415358150400. Its totient is φ = 76704456960.

The previous prime is 211231120151. The next prime is 211231120211. The reversal of 211231120210 is 12021132112.

211231120210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211231120210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211231120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256295 + ... + 1414474.

It is an arithmetic number, because the mean of its divisors is an integer number (12979942200).

Almost surely, 2^211231120210 is an apocalyptic number.

211231120210 is a deficient number, since it is larger than the sum of its proper divisors (204127030190).

211231120210 is a wasteful number, since it uses less digits than its factorization.

211231120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671506.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211231120210 its reverse (12021132112), we get a palindrome (223252252322).

The spelling of 211231120210 in words is "two hundred eleven billion, two hundred thirty-one million, one hundred twenty thousand, two hundred ten".