211434201 has 12 divisors (see below), whose sum is σ = 333169200. Its totient is φ = 128141880.

The previous prime is 211434163. The next prime is 211434203. The reversal of 211434201 is 102434112.

211434201 is a `hidden beast` number, since 211 + 434 + 20 + 1 = 666.

It is not a de Polignac number, because 211434201 - 2¹⁷ = 211303129 is a prime.

It is a super-3 number, since 3×211434201³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211434203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067751 + ... + 1067948.

It is an arithmetic number, because the mean of its divisors is an integer number (27764100).

Almost surely, 2^211434201 is an apocalyptic number.

It is an amenable number.

211434201 is a deficient number, since it is larger than the sum of its proper divisors (121734999).

211434201 is a wasteful number, since it uses less digits than its factorization.

211434201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135716 (or 2135713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 211434201 is about 14540.7771800547. Note that the first 3 decimals coincide. The cubic root of 211434201 is about 595.7422659696.

Adding to 211434201 its reverse (102434112), we get a palindrome (313868313).

It can be divided in two parts, 2114 and 34201, that added together give a triangular number (36315 = T₂₆₉).

The spelling of 211434201 in words is "two hundred eleven million, four hundred thirty-four thousand, two hundred one".