211000204087 has 4 divisors (see below), whose sum is σ = 223411980816. Its totient is φ = 198588427360.

The previous prime is 211000204057. The next prime is 211000204097. The reversal of 211000204087 is 780402000112.

It is a happy number.

211000204087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211000204087 - 2³⁵ = 176640465719 is a prime.

It is a super-2 number, since 2×211000204087² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000204057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6205888339 + ... + 6205888372.

It is an arithmetic number, because the mean of its divisors is an integer number (55852995204).

Almost surely, 2^211000204087 is an apocalyptic number.

211000204087 is a deficient number, since it is larger than the sum of its proper divisors (12411776729).

211000204087 is a wasteful number, since it uses less digits than its factorization.

211000204087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12411776728.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 211000204087 its reverse (780402000112), we get a palindrome (991402204199).

The spelling of 211000204087 in words is "two hundred eleven billion, two hundred four thousand, eighty-seven".