11211303320 has 64 divisors (see below), whose sum is σ = 28843214400. Its totient is φ = 3841989120.

The previous prime is 11211303319. The next prime is 11211303349. The reversal of 11211303320 is 2330311211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637850 + ... + 655190.

It is an arithmetic number, because the mean of its divisors is an integer number (450675225).

Almost surely, 2^11211303320 is an apocalyptic number.

11211303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211303320 is an abundant number, since it is smaller than the sum of its proper divisors (17631911080).

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

11211303320 is a wasteful number, since it uses less digits than its factorization.

11211303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19668 (or 19664 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11211303320 its reverse (2330311211), we get a palindrome (13541614531).

The spelling of 11211303320 in words is "eleven billion, two hundred eleven million, three hundred three thousand, three hundred twenty".