11002201122021 has 32 divisors (see below), whose sum is σ = 15047166251520. Its totient is φ = 7148374643904.

The previous prime is 11002201122013. The next prime is 11002201122037. The reversal of 11002201122021 is 12022110220011.

It is not a de Polignac number, because 11002201122021 - 2³ = 11002201122013 is a prime.

It is a super-2 number, since 2×11002201122021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002201122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11863666 + ... + 12757388.

It is an arithmetic number, because the mean of its divisors is an integer number (470223945360).

Almost surely, 2^{11002201122021} is an apocalyptic number.

It is an amenable number.

11002201122021 is a deficient number, since it is larger than the sum of its proper divisors (4044965129499).

11002201122021 is a wasteful number, since it uses less digits than its factorization.

11002201122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894385.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11002201122021 its reverse (12022110220011), we get a palindrome (23024311342032).

The spelling of 11002201122021 in words is "eleven trillion, two billion, two hundred one million, one hundred twenty-two thousand, twenty-one".