210320212011 has 64 divisors (see below), whose sum is σ = 351857157120. Its totient is φ = 108781770240.

The previous prime is 210320211991. The next prime is 210320212013. The reversal of 210320212011 is 110212023012.

It is not a de Polignac number, because 210320212011 - 2²¹ = 210318114859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210320212013) 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 63 ways as a sum of consecutive naturals, for example, 34881745 + ... + 34887773.

It is an arithmetic number, because the mean of its divisors is an integer number (5497768080).

Almost surely, 2^210320212011 is an apocalyptic number.

210320212011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

210320212011 is a deficient number, since it is larger than the sum of its proper divisors (141536945109).

210320212011 is a wasteful number, since it uses less digits than its factorization.

210320212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210320212011 its reverse (110212023012), we get a palindrome (320532235023).

The spelling of 210320212011 in words is "two hundred ten billion, three hundred twenty million, two hundred twelve thousand, eleven".