11000121111112 has 32 divisors (see below), whose sum is σ = 23571795769920. Its totient is φ = 4714316084160.

The previous prime is 11000121111103. The next prime is 11000121111149. The reversal of 11000121111112 is 21111112100011.

It is a junction number, because it is equal to n+sod(n) for n = 11000121111092 and 11000121111101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20964687 + ... + 21482977.

It is an arithmetic number, because the mean of its divisors is an integer number (736618617810).

Almost surely, 2^{11000121111112} is an apocalyptic number.

It is an amenable number.

11000121111112 is an abundant number, since it is smaller than the sum of its proper divisors (12571674658808).

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

11000121111112 is a wasteful number, since it uses less digits than its factorization.

11000121111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897301 (or 897297 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11000121111112 its reverse (21111112100011), we get a palindrome (32111233211123).

The spelling of 11000121111112 in words is "eleven trillion, one hundred twenty-one million, one hundred eleven thousand, one hundred twelve".