11002111110021 has 8 divisors (see below), whose sum is σ = 14754276171360. Its totient is φ = 7292343394352.

The previous prime is 11002111109999. The next prime is 11002111110043. The reversal of 11002111110021 is 12001111120011.

It is an interprime number because it is at equal distance from previous prime (11002111109999) and next prime (11002111110043).

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 11002111110021 - 2⁵ = 11002111109989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11002111109979 and 11002111110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002111110091) 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, 10599335811 + ... + 10599336848.

It is an arithmetic number, because the mean of its divisors is an integer number (1844284521420).

Almost surely, 2^{11002111110021} is an apocalyptic number.

It is an amenable number.

11002111110021 is a deficient number, since it is larger than the sum of its proper divisors (3752165061339).

11002111110021 is a wasteful number, since it uses less digits than its factorization.

11002111110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198672835.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11002111110021 its reverse (12001111120011), we get a palindrome (23003222230032).

The spelling of 11002111110021 in words is "eleven trillion, two billion, one hundred eleven million, one hundred ten thousand, twenty-one".