11000021111992 has 16 divisors (see below), whose sum is σ = 22500043183800. Its totient is φ = 5000009596320.

The previous prime is 11000021111929. The next prime is 11000021111993. The reversal of 11000021111992 is 29911112000011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11000021111992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000021111993) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 62500119867 + ... + 62500120042.

Almost surely, 2^{11000021111992} is an apocalyptic number.

It is an amenable number.

11000021111992 is an abundant number, since it is smaller than the sum of its proper divisors (11500022071808).

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

11000021111992 is a wasteful number, since it uses less digits than its factorization.

11000021111992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125000239926 (or 125000239922 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 11000021111992 in words is "eleven trillion, twenty-one million, one hundred eleven thousand, nine hundred ninety-two".