11010000100021 has 8 divisors (see below), whose sum is σ = 11866555145984. Its totient is φ = 10154821048560.

The previous prime is 11010000100003. The next prime is 11010000100031. The reversal of 11010000100021 is 12000100001011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11010000100021 - 2¹⁹ = 11009999575733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010000099977 and 11010000100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010000100031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343982001 + ... + 344014006.

It is an arithmetic number, because the mean of its divisors is an integer number (1483319393248).

Almost surely, 2^{11010000100021} is an apocalyptic number.

It is an amenable number.

11010000100021 is a deficient number, since it is larger than the sum of its proper divisors (856555045963).

11010000100021 is a wasteful number, since it uses less digits than its factorization.

11010000100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687997251.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11010000100021 its reverse (12000100001011), we get a palindrome (23010100101032).

The spelling of 11010000100021 in words is "eleven trillion, ten billion, one hundred thousand, twenty-one".