211303110212120 has 64 divisors (see below), whose sum is σ = 510911997936480. Its totient is φ = 78362101610496.

The previous prime is 211303110212041. The next prime is 211303110212149. The reversal of 211303110212120 is 21212011303112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 211303110212092 and 211303110212101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318908679 + ... + 2318999798.

Almost surely, 2^{211303110212120} is an apocalyptic number.

211303110212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211303110212120 is an abundant number, since it is smaller than the sum of its proper divisors (299608887724360).

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

211303110212120 is a wasteful number, since it uses less digits than its factorization.

211303110212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637908572 (or 4637908568 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211303110212120 its reverse (21212011303112), we get a palindrome (232515121515232).

The spelling of 211303110212120 in words is "two hundred eleven trillion, three hundred three billion, one hundred ten million, two hundred twelve thousand, one hundred twenty".