211203053 has 8 divisors (see below), whose sum is σ = 223917120. Its totient is φ = 198521280.

The previous prime is 211203049. The next prime is 211203059. The reversal of 211203053 is 350302112.

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 211203053 - 2² = 211203049 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211203059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6128 + ... + 21446.

It is an arithmetic number, because the mean of its divisors is an integer number (27989640).

Almost surely, 2^211203053 is an apocalyptic number.

It is an amenable number.

211203053 is a deficient number, since it is larger than the sum of its proper divisors (12714067).

211203053 is a wasteful number, since it uses less digits than its factorization.

211203053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16147.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 211203053 is about 14532.8267381126. The cubic root of 211203053 is about 595.5250906900.

Adding to 211203053 its reverse (350302112), we get a palindrome (561505165).

The spelling of 211203053 in words is "two hundred eleven million, two hundred three thousand, fifty-three".