211027121 has 8 divisors (see below), whose sum is σ = 216575424. Its totient is φ = 205546320.

The previous prime is 211027109. The next prime is 211027127. The reversal of 211027121 is 121720112.

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 211027121 - 2¹⁰ = 211026097 is a prime.

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 211027121.

It is not an unprimeable number, because it can be changed into a prime (211027127) 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, 10511 + ... + 23076.

It is an arithmetic number, because the mean of its divisors is an integer number (27071928).

Almost surely, 2^211027121 is an apocalyptic number.

It is an amenable number.

211027121 is a deficient number, since it is larger than the sum of its proper divisors (5548303).

211027121 is a wasteful number, since it uses less digits than its factorization.

211027121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33751.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 211027121 is about 14526.7725596569. The cubic root of 211027121 is about 595.3596874223.

Adding to 211027121 its reverse (121720112), we get a palindrome (332747233).

The spelling of 211027121 in words is "two hundred eleven million, twenty-seven thousand, one hundred twenty-one".