211331200113 has 24 divisors (see below), whose sum is σ = 333035932320. Its totient is φ = 128068287360.

The previous prime is 211331200063. The next prime is 211331200121. The reversal of 211331200113 is 311002133112.

211331200113 is a `hidden beast` number, since 21 + 1 + 331 + 200 + 113 = 666.

It is not a de Polignac number, because 211331200113 - 2¹² = 211331196017 is a prime.

It is a super-2 number, since 2×211331200113² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211331200133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120633 + ... + 1295561.

It is an arithmetic number, because the mean of its divisors is an integer number (13876497180).

Almost surely, 2^211331200113 is an apocalyptic number.

It is an amenable number.

211331200113 is a deficient number, since it is larger than the sum of its proper divisors (121704732207).

211331200113 is a wasteful number, since it uses less digits than its factorization.

211331200113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187149 (or 187146 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211331200113 its reverse (311002133112), we get a palindrome (522333333225).

The spelling of 211331200113 in words is "two hundred eleven billion, three hundred thirty-one million, two hundred thousand, one hundred thirteen".