211411012320 has 72 divisors (see below), whose sum is σ = 721440084456. Its totient is φ = 56376269568.

The previous prime is 211411012313. The next prime is 211411012321. The reversal of 211411012320 is 23210114112.

211411012320 is a `hidden beast` number, since 21 + 1 + 411 + 0 + 1 + 232 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×211411012320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211411012293 and 211411012302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211411012321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73405162 + ... + 73408041.

It is an arithmetic number, because the mean of its divisors is an integer number (10020001173).

Almost surely, 2^211411012320 is an apocalyptic number.

211411012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211411012320 is an abundant number, since it is smaller than the sum of its proper divisors (510029072136).

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

211411012320 is a wasteful number, since it uses less digits than its factorization.

211411012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146813224 (or 146813213 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211411012320 its reverse (23210114112), we get a palindrome (234621126432).

The spelling of 211411012320 in words is "two hundred eleven billion, four hundred eleven million, twelve thousand, three hundred twenty".