211200100213131 has 24 divisors (see below), whose sum is σ = 305717014087680. Its totient is φ = 140499998890416.

The previous prime is 211200100213103. The next prime is 211200100213177. The reversal of 211200100213131 is 131312001002112.

211200100213131 is a `hidden beast` number, since 21 + 1 + 200 + 100 + 213 + 131 = 666.

It is not a de Polignac number, because 211200100213131 - 2⁵ = 211200100213099 is a prime.

It is a super-2 number, since 2×211200100213131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211200100211131) 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, 98972430 + ... + 101083836.

It is an arithmetic number, because the mean of its divisors is an integer number (12738208920320).

Almost surely, 2^{211200100213131} is an apocalyptic number.

211200100213131 is a deficient number, since it is larger than the sum of its proper divisors (94516913874549).

211200100213131 is a wasteful number, since it uses less digits than its factorization.

211200100213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135095 (or 2135092 counting only the distinct ones).

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

Adding to 211200100213131 its reverse (131312001002112), we get a palindrome (342512101215243).

The spelling of 211200100213131 in words is "two hundred eleven trillion, two hundred billion, one hundred million, two hundred thirteen thousand, one hundred thirty-one".