11011221200012 has 24 divisors (see below), whose sum is σ = 21534139911312. Its totient is φ = 4883024921600.

The previous prime is 11011221199973. The next prime is 11011221200041. The reversal of 11011221200012 is 21000212211011.

It is a self number, because there is not a number n which added to its sum of digits gives 11011221200012.

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, 3051888773 + ... + 3051892380.

It is an arithmetic number, because the mean of its divisors is an integer number (897255829638).

Almost surely, 2^{11011221200012} is an apocalyptic number.

It is an amenable number.

11011221200012 is a deficient number, since it is larger than the sum of its proper divisors (10522918711300).

11011221200012 is a wasteful number, since it uses less digits than its factorization.

11011221200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103781209 (or 6103781207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11011221200012 its reverse (21000212211011), we get a palindrome (32011433411023).

The spelling of 11011221200012 in words is "eleven trillion, eleven billion, two hundred twenty-one million, two hundred thousand, twelve".