211311230310120 has 64 divisors (see below), whose sum is σ = 634227043717440. Its totient is φ = 56323585612800.

The previous prime is 211311230310113. The next prime is 211311230310121. The reversal of 211311230310120 is 21013032113112.

It is not an unprimeable number, because it can be changed into a prime (211311230310121) 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, 407174026 + ... + 407692665.

It is an arithmetic number, because the mean of its divisors is an integer number (9909797558085).

Almost surely, 2^{211311230310120} is an apocalyptic number.

211311230310120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211311230310120 is an abundant number, since it is smaller than the sum of its proper divisors (422915813407320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211311230310120 is a wasteful number, since it uses less digits than its factorization.

211311230310120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814868866 (or 814868862 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 211311230310120 its reverse (21013032113112), we get a palindrome (232324262423232).

The spelling of 211311230310120 in words is "two hundred eleven trillion, three hundred eleven billion, two hundred thirty million, three hundred ten thousand, one hundred twenty".