11210200000021 has 16 divisors (see below), whose sum is σ = 12999064239360. Its totient is φ = 9554293473280.

The previous prime is 11210200000007. The next prime is 11210200000031. The reversal of 11210200000021 is 12000000201211.

It is a cyclic number.

It is not a de Polignac number, because 11210200000021 - 2³⁵ = 11175840261653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210199999953 and 11210200000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210200000031) 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, 116581501 + ... + 116677618.

It is an arithmetic number, because the mean of its divisors is an integer number (812441514960).

Almost surely, 2^{11210200000021} is an apocalyptic number.

11210200000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11210200000021 is a deficient number, since it is larger than the sum of its proper divisors (1788864239339).

11210200000021 is a wasteful number, since it uses less digits than its factorization.

11210200000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233259404.

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

Adding to 11210200000021 its reverse (12000000201211), we get a palindrome (23210200201232).

The spelling of 11210200000021 in words is "eleven trillion, two hundred ten billion, two hundred million, twenty-one", and thus it is an aban number.