22221111100211 has 8 divisors (see below), whose sum is σ = 23426795738880. Its totient is φ = 21019041709128.

The previous prime is 22221111100189. The next prime is 22221111100213. The reversal of 22221111100211 is 11200111112222.

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

It is not a de Polignac number, because 22221111100211 - 2¹⁴ = 22221111083827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22221111100211.

It is not an unprimeable number, because it can be changed into a prime (22221111100213) 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, 903799271 + ... + 903823856.

It is an arithmetic number, because the mean of its divisors is an integer number (2928349467360).

Almost surely, 2^{22221111100211} is an apocalyptic number.

22221111100211 is a deficient number, since it is larger than the sum of its proper divisors (1205684638669).

22221111100211 is a wasteful number, since it uses less digits than its factorization.

22221111100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807623793.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22221111100211 its reverse (11200111112222), we get a palindrome (33421222212433).

The spelling of 22221111100211 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thousand, two hundred eleven".