11222112000021 has 16 divisors (see below), whose sum is σ = 16506821405760. Its totient is φ = 6737478122880.

The previous prime is 11222112000017. The next prime is 11222112000023. The reversal of 11222112000021 is 12000021122211.

It is not a de Polignac number, because 11222112000021 - 2² = 11222112000017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222112000023) 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, 3509101591 + ... + 3509104788.

It is an arithmetic number, because the mean of its divisors is an integer number (1031676337860).

Almost surely, 2^{11222112000021} is an apocalyptic number.

It is an amenable number.

11222112000021 is a deficient number, since it is larger than the sum of its proper divisors (5284709405739).

11222112000021 is a wasteful number, since it uses less digits than its factorization.

11222112000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018206436.

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

Adding to 11222112000021 its reverse (12000021122211), we get a palindrome (23222133122232).

The spelling of 11222112000021 in words is "eleven trillion, two hundred twenty-two billion, one hundred twelve million, twenty-one", and thus it is an aban number.