11000100012021 has 12 divisors (see below), whose sum is σ = 15889609044972. Its totient is φ = 7333134302976.

The previous prime is 11000100011981. The next prime is 11000100012049. The reversal of 11000100012021 is 12021000100011.

It is a happy number.

11000100012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2270521580625 + 8729578431396 = 1506825^2 + 2954586^2 .

It is not a de Polignac number, because 11000100012021 - 2²³ = 11000091623413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11000100011994 and 11000100012012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000100012221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21879726 + ... + 22376831.

It is an arithmetic number, because the mean of its divisors is an integer number (1324134087081).

Almost surely, 2^{11000100012021} is an apocalyptic number.

It is an amenable number.

11000100012021 is a deficient number, since it is larger than the sum of its proper divisors (4889509032951).

11000100012021 is a wasteful number, since it uses less digits than its factorization.

11000100012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44284180 (or 44284177 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11000100012021 its reverse (12021000100011), we get a palindrome (23021100112032).

The spelling of 11000100012021 in words is "eleven trillion, one hundred million, twelve thousand, twenty-one".