11002101011021 has 4 divisors (see below), whose sum is σ = 11649283423452. Its totient is φ = 10354918598592.

The previous prime is 11002101010997. The next prime is 11002101011029. The reversal of 11002101011021 is 12011010120011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8774694008521 + 2227407002500 = 2962211^2 + 1492450^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002101011021 - 2¹⁰ = 11002101009997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002101010993 and 11002101011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002101011029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323591206190 + ... + 323591206223.

It is an arithmetic number, because the mean of its divisors is an integer number (2912320855863).

Almost surely, 2^{11002101011021} is an apocalyptic number.

It is an amenable number.

11002101011021 is a deficient number, since it is larger than the sum of its proper divisors (647182412431).

11002101011021 is an equidigital number, since it uses as much as digits as its factorization.

11002101011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647182412430.

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

Adding to 11002101011021 its reverse (12011010120011), we get a palindrome (23013111131032).

The spelling of 11002101011021 in words is "eleven trillion, two billion, one hundred one million, eleven thousand, twenty-one".