201211113320 has 32 divisors (see below), whose sum is σ = 517400006400. Its totient is φ = 68986667328.

The previous prime is 201211113283. The next prime is 201211113359. The reversal of 201211113320 is 23311112102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359305280 + ... + 359305839.

It is an arithmetic number, because the mean of its divisors is an integer number (16168750200).

Almost surely, 2^201211113320 is an apocalyptic number.

201211113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201211113320 is an abundant number, since it is smaller than the sum of its proper divisors (316188893080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211113320 is a wasteful number, since it uses less digits than its factorization.

201211113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718611137 (or 718611133 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201211113320 its reverse (23311112102), we get a palindrome (224522225422).

The spelling of 201211113320 in words is "two hundred one billion, two hundred eleven million, one hundred thirteen thousand, three hundred twenty".