11121100201012 has 24 divisors (see below), whose sum is σ = 20279982650760. Its totient is φ = 5329618613760.

The previous prime is 11121100200997. The next prime is 11121100201021. The reversal of 11121100201012 is 21010200112111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1437514673296 + 9683585527716 = 1198964^2 + 3111846^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11121100200983 and 11121100201001.

It is a congruent number.

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, 349880289 + ... + 349912072.

It is an arithmetic number, because the mean of its divisors is an integer number (844999277115).

Almost surely, 2^{11121100201012} is an apocalyptic number.

It is an amenable number.

11121100201012 is a deficient number, since it is larger than the sum of its proper divisors (9158882449748).

11121100201012 is a wasteful number, since it uses less digits than its factorization.

11121100201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699792531 (or 699792529 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121100201012 its reverse (21010200112111), we get a palindrome (32131300313123).

The spelling of 11121100201012 in words is "eleven trillion, one hundred twenty-one billion, one hundred million, two hundred one thousand, twelve".