11001101220012 has 12 divisors (see below), whose sum is σ = 25669236180056. Its totient is φ = 3667033740000.

The previous prime is 11001101220001. The next prime is 11001101220013. The reversal of 11001101220012 is 21002210110011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 916758435001 = 11001101220012 / (1 + 1 + 0 + 0 + 1 + 1 + 0 + 1 + 2 + 2 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 11001101220012.

It is not an unprimeable number, because it can be changed into a prime (11001101220013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458379217489 + ... + 458379217512.

Almost surely, 2^{11001101220012} is an apocalyptic number.

11001101220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001101220012 is an abundant number, since it is smaller than the sum of its proper divisors (14668134960044).

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

11001101220012 is a wasteful number, since it uses less digits than its factorization.

11001101220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916758435008 (or 916758435006 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001101220012 its reverse (21002210110011), we get a palindrome (32003311330023).

The spelling of 11001101220012 in words is "eleven trillion, one billion, one hundred one million, two hundred twenty thousand, twelve".