11320221210 has 16 divisors (see below), whose sum is σ = 27168530976. Its totient is φ = 3018725648.

The previous prime is 11320221203. The next prime is 11320221221. The reversal of 11320221210 is 1212202311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11320221210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188670324 + ... + 188670383.

It is an arithmetic number, because the mean of its divisors is an integer number (1698033186).

Almost surely, 2^11320221210 is an apocalyptic number.

11320221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11320221210 is an abundant number, since it is smaller than the sum of its proper divisors (15848309766).

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

11320221210 is a wasteful number, since it uses less digits than its factorization.

11320221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377340717.

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

Adding to 11320221210 its reverse (1212202311), we get a palindrome (12532423521).

The spelling of 11320221210 in words is "eleven billion, three hundred twenty million, two hundred twenty-one thousand, two hundred ten".