22000222102211 has 4 divisors (see below), whose sum is σ = 22173452197632. Its totient is φ = 21826992006792.

The previous prime is 22000222102207. The next prime is 22000222102213. The reversal of 22000222102211 is 11220122200022.

It is a happy number.

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 22000222102211 - 2² = 22000222102207 is a prime.

It is a super-2 number, since 2×22000222102211² (a number of 27 digits) contains 22 as substring.

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 22000222102211.

It is not an unprimeable number, because it can be changed into a prime (22000222102213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86615047520 + ... + 86615047773.

It is an arithmetic number, because the mean of its divisors is an integer number (5543363049408).

Almost surely, 2^{22000222102211} is an apocalyptic number.

22000222102211 is a deficient number, since it is larger than the sum of its proper divisors (173230095421).

22000222102211 is a wasteful number, since it uses less digits than its factorization.

22000222102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173230095420.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22000222102211 its reverse (11220122200022), we get a palindrome (33220344302233).

The spelling of 22000222102211 in words is "twenty-two trillion, two hundred twenty-two million, one hundred two thousand, two hundred eleven".