211200021211 has 8 divisors (see below), whose sum is σ = 212883517440. Its totient is φ = 209516845608.

The previous prime is 211200021209. The next prime is 211200021239. The reversal of 211200021211 is 112120002112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211200021211 - 2¹ = 211200021209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211200021191 and 211200021200.

It is not an unprimeable number, because it can be changed into a prime (211200021311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342680 + ... + 1491706.

It is an arithmetic number, because the mean of its divisors is an integer number (26610439680).

Almost surely, 2^211200021211 is an apocalyptic number.

211200021211 is a deficient number, since it is larger than the sum of its proper divisors (1683496229).

211200021211 is a wasteful number, since it uses less digits than its factorization.

211200021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160313.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211200021211 its reverse (112120002112), we get a palindrome (323320023323).

The spelling of 211200021211 in words is "two hundred eleven billion, two hundred million, twenty-one thousand, two hundred eleven".