211011013012320 has 144 divisors (see below), whose sum is σ = 746744529520080. Its totient is φ = 56269603459584.

The previous prime is 211011013012313. The next prime is 211011013012343. The reversal of 211011013012320 is 23210310110112.

211011013012320 is a `hidden beast` number, since 21 + 1 + 0 + 110 + 1 + 301 + 232 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×211011013012320² (a number of 29 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 = 211011013012293 and 211011013012302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2713580115 + ... + 2713657874.

It is an arithmetic number, because the mean of its divisors is an integer number (5185725899445).

Almost surely, 2^{211011013012320} is an apocalyptic number.

211011013012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211011013012320 is an abundant number, since it is smaller than the sum of its proper divisors (535733516507760).

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

211011013012320 is an equidigital number, since it uses as much as digits as its factorization.

211011013012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427238019 (or 5427237999 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 211011013012320 its reverse (23210310110112), we get a palindrome (234221323122432).

The spelling of 211011013012320 in words is "two hundred eleven trillion, eleven billion, thirteen million, twelve thousand, three hundred twenty".