11002011110021 has 16 divisors (see below), whose sum is σ = 11406388896000. Its totient is φ = 10599308673408.

The previous prime is 11002011110003. The next prime is 11002011110087. The reversal of 11002011110021 is 12001111020011.

It is a cyclic number.

It is not a de Polignac number, because 11002011110021 - 2²² = 11002006915717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002011109984 and 11002011110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002011110221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72377705 + ... + 72529553.

It is an arithmetic number, because the mean of its divisors is an integer number (712899306000).

Almost surely, 2^{11002011110021} is an apocalyptic number.

It is an amenable number.

11002011110021 is a deficient number, since it is larger than the sum of its proper divisors (404377785979).

11002011110021 is a wasteful number, since it uses less digits than its factorization.

11002011110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157348.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11002011110021 its reverse (12001111020011), we get a palindrome (23003122130032).

The spelling of 11002011110021 in words is "eleven trillion, two billion, eleven million, one hundred ten thousand, twenty-one".