211200021021211 has 8 divisors (see below), whose sum is σ = 219180808428480. Its totient is φ = 203265768818112.

The previous prime is 211200021021167. The next prime is 211200021021299. The reversal of 211200021021211 is 112120120002112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211200021021211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200021021511) 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, 11633791795 + ... + 11633809948.

It is an arithmetic number, because the mean of its divisors is an integer number (27397601053560).

Almost surely, 2^{211200021021211} is an apocalyptic number.

211200021021211 is a deficient number, since it is larger than the sum of its proper divisors (7980787407269).

211200021021211 is a wasteful number, since it uses less digits than its factorization.

211200021021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23267602085.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211200021021211 its reverse (112120120002112), we get a palindrome (323320141023323).

The spelling of 211200021021211 in words is "two hundred eleven trillion, two hundred billion, twenty-one million, twenty-one thousand, two hundred eleven".