211411403320 has 64 divisors (see below), whose sum is σ = 514214205120. Its totient is φ = 77762740224.

The previous prime is 211411403263. The next prime is 211411403383. The reversal of 211411403320 is 23304114112.

It is a junction number, because it is equal to n+sod(n) for n = 211411403291 and 211411403300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636169 + ... + 909688.

It is an arithmetic number, because the mean of its divisors is an integer number (8034596955).

Almost surely, 2^211411403320 is an apocalyptic number.

211411403320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211411403320 is an abundant number, since it is smaller than the sum of its proper divisors (302802801800).

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

211411403320 is a wasteful number, since it uses less digits than its factorization.

211411403320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546144 (or 1546140 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211411403320 its reverse (23304114112), we get a palindrome (234715517432).

The spelling of 211411403320 in words is "two hundred eleven billion, four hundred eleven million, four hundred three thousand, three hundred twenty".