11221200211012 has 24 divisors (see below), whose sum is σ = 22353695284032. Its totient is φ = 4878782700000.

The previous prime is 11221200211009. The next prime is 11221200211027. The reversal of 11221200211012 is 21011200212211.

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, 5544070239 + ... + 5544072262.

It is an arithmetic number, because the mean of its divisors is an integer number (931403970168).

Almost surely, 2^{11221200211012} is an apocalyptic number.

It is an amenable number.

11221200211012 is a deficient number, since it is larger than the sum of its proper divisors (11132495073020).

11221200211012 is a wasteful number, since it uses less digits than its factorization.

11221200211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088142539 (or 11088142537 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221200211012 its reverse (21011200212211), we get a palindrome (32232400423223).

The spelling of 11221200211012 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, two hundred eleven thousand, twelve".