22000011122211 has 4 divisors (see below), whose sum is σ = 29333348162952. Its totient is φ = 14666674081472.

The previous prime is 22000011122197. The next prime is 22000011122213. The reversal of 22000011122211 is 11222111000022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22000011122211 - 2⁶ = 22000011122147 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22000011122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3666668520366 + ... + 3666668520371.

It is an arithmetic number, because the mean of its divisors is an integer number (7333337040738).

Almost surely, 2^{22000011122211} is an apocalyptic number.

22000011122211 is a deficient number, since it is larger than the sum of its proper divisors (7333337040741).

22000011122211 is an equidigital number, since it uses as much as digits as its factorization.

22000011122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333337040740.

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

Adding to 22000011122211 its reverse (11222111000022), we get a palindrome (33222122122233).

The spelling of 22000011122211 in words is "twenty-two trillion, eleven million, one hundred twenty-two thousand, two hundred eleven".