11122200000021 has 16 divisors (see below), whose sum is σ = 16181823725568. Its totient is φ = 6739027993200.

The previous prime is 11122199999993. The next prime is 11122200000061. The reversal of 11122200000021 is 12000000222111.

It is not a de Polignac number, because 11122200000021 - 2¹⁰ = 11122199998997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122199999952 and 11122200000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122200000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42349095 + ... + 42610916.

It is an arithmetic number, because the mean of its divisors is an integer number (1011363982848).

Almost surely, 2^{11122200000021} is an apocalyptic number.

11122200000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11122200000021 is a deficient number, since it is larger than the sum of its proper divisors (5059623725547).

11122200000021 is a wasteful number, since it uses less digits than its factorization.

11122200000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84963992.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11122200000021 its reverse (12000000222111), we get a palindrome (23122200222132).

The spelling of 11122200000021 in words is "eleven trillion, one hundred twenty-two billion, two hundred million, twenty-one", and thus it is an aban number.