211200121120211 has 8 divisors (see below), whose sum is σ = 223631655858864. Its totient is φ = 198769475070720.

The previous prime is 211200121120193. The next prime is 211200121120291. The reversal of 211200121120211 is 112021121002112.

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 211200121120211 - 2²⁶ = 211200054011347 is a prime.

It is a super-2 number, since 2×211200121120211² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211200121120211.

It is not an unprimeable number, because it can be changed into a prime (211200121120291) 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, 221682965 + ... + 222633638.

It is an arithmetic number, because the mean of its divisors is an integer number (27953956982358).

Almost surely, 2^{211200121120211} is an apocalyptic number.

211200121120211 is a deficient number, since it is larger than the sum of its proper divisors (12431534738653).

211200121120211 is a wasteful number, since it uses less digits than its factorization.

211200121120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444344581.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211200121120211 its reverse (112021121002112), we get a palindrome (323221242122323).

The spelling of 211200121120211 in words is "two hundred eleven trillion, two hundred billion, one hundred twenty-one million, one hundred twenty thousand, two hundred eleven".