11002210021 has 16 divisors (see below), whose sum is σ = 12077812800. Its totient is φ = 9939369600.

The previous prime is 11002210003. The next prime is 11002210027. The reversal of 11002210021 is 12001220011.

It is a cyclic number.

It is not a de Polignac number, because 11002210021 - 2¹¹ = 11002207973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002210027) 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, 1205686 + ... + 1214776.

It is an arithmetic number, because the mean of its divisors is an integer number (754863300).

Almost surely, 2^11002210021 is an apocalyptic number.

11002210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11002210021 is a deficient number, since it is larger than the sum of its proper divisors (1075602779).

11002210021 is a wasteful number, since it uses less digits than its factorization.

11002210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11002210021 its reverse (12001220011), we get a palindrome (23003430032).

The spelling of 11002210021 in words is "eleven billion, two million, two hundred ten thousand, twenty-one".