11002100122021 has 32 divisors (see below), whose sum is σ = 11688777475200. Its totient is φ = 10326523749120.

The previous prime is 11002100121979. The next prime is 11002100122073. The reversal of 11002100122021 is 12022100120011.

It is a cyclic number.

It is not a de Polignac number, because 11002100122021 - 2¹⁷ = 11002099990949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002100121992 and 11002100122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002100192021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4013898711 + ... + 4013901451.

It is an arithmetic number, because the mean of its divisors is an integer number (365274296100).

Almost surely, 2^{11002100122021} is an apocalyptic number.

It is an amenable number.

11002100122021 is a deficient number, since it is larger than the sum of its proper divisors (686677353179).

11002100122021 is a wasteful number, since it uses less digits than its factorization.

11002100122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11002100122021 its reverse (12022100120011), we get a palindrome (23024200242032).

The spelling of 11002100122021 in words is "eleven trillion, two billion, one hundred million, one hundred twenty-two thousand, twenty-one".