211000211211 has 16 divisors (see below), whose sum is σ = 282777505920. Its totient is φ = 139945384320.

The previous prime is 211000211153. The next prime is 211000211243. The reversal of 211000211211 is 112112000112.

It is not a de Polignac number, because 211000211211 - 2⁹ = 211000210699 is a prime.

It is a super-2 number, since 2×211000211211² (a number of 23 digits) contains 22 as substring.

211000211211 is a modest number, since divided by 211211 gives 211000 as remainder.

It is not an unprimeable number, because it can be changed into a prime (211000211311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587616 + ... + 1715378.

It is an arithmetic number, because the mean of its divisors is an integer number (17673594120).

Almost surely, 2^211000211211 is an apocalyptic number.

211000211211 is a deficient number, since it is larger than the sum of its proper divisors (71777294709).

211000211211 is a wasteful number, since it uses less digits than its factorization.

211000211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130586.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211000211211 its reverse (112112000112), we get a palindrome (323112211323).

The spelling of 211000211211 in words is "two hundred eleven billion, two hundred eleven thousand, two hundred eleven".