21222200011011 has 8 divisors (see below), whose sum is σ = 28361919273984. Its totient is φ = 14115307044360.

The previous prime is 21222200011003. The next prime is 21222200011037. The reversal of 21222200011011 is 11011000222212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21222200011011 - 2³ = 21222200011003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21222200011081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8206572571 + ... + 8206575156.

It is an arithmetic number, because the mean of its divisors is an integer number (3545239909248).

Almost surely, 2^{21222200011011} is an apocalyptic number.

21222200011011 is a deficient number, since it is larger than the sum of its proper divisors (7139719262973).

21222200011011 is a wasteful number, since it uses less digits than its factorization.

21222200011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413148161.

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

Adding to 21222200011011 its reverse (11011000222212), we get a palindrome (32233200233223).

The spelling of 21222200011011 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred million, eleven thousand, eleven".