11002000100021 has 8 divisors (see below), whose sum is σ = 12586584125760. Its totient is φ = 9420633505728.

The previous prime is 11002000099967. The next prime is 11002000100033. The reversal of 11002000100021 is 12000100020011.

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 11002000100021 - 2¹⁰ = 11002000098997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11002000099981 and 11002000100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002000100071) 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, 804350531 + ... + 804364208.

It is an arithmetic number, because the mean of its divisors is an integer number (1573323015720).

Almost surely, 2^{11002000100021} is an apocalyptic number.

It is an amenable number.

11002000100021 is a deficient number, since it is larger than the sum of its proper divisors (1584584025739).

11002000100021 is an equidigital number, since it uses as much as digits as its factorization.

11002000100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608715723.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11002000100021 its reverse (12000100020011), we get a palindrome (23002100120032).

The spelling of 11002000100021 in words is "eleven trillion, two billion, one hundred thousand, twenty-one".