210203323011 has 24 divisors (see below), whose sum is σ = 333212914944. Its totient is φ = 126633093360.

The previous prime is 210203323009. The next prime is 210203323051. The reversal of 210203323011 is 110323302012.

210203323011 is a `hidden beast` number, since 2 + 10 + 20 + 332 + 301 + 1 = 666.

It is not a de Polignac number, because 210203323011 - 2¹ = 210203323009 is a prime.

It is a super-2 number, since 2×210203323011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210203323051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6340551 + ... + 6373616.

It is an arithmetic number, because the mean of its divisors is an integer number (13883871456).

Almost surely, 2^210203323011 is an apocalyptic number.

210203323011 is a deficient number, since it is larger than the sum of its proper divisors (123009591933).

210203323011 is a wasteful number, since it uses less digits than its factorization.

210203323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714351 (or 12714348 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 210203323011 its reverse (110323302012), we get a palindrome (320526625023).

The spelling of 210203323011 in words is "two hundred ten billion, two hundred three million, three hundred twenty-three thousand, eleven".