22000221221111 has 8 divisors (see below), whose sum is σ = 25240943081760. Its totient is φ = 18783957639168.

The previous prime is 22000221221107. The next prime is 22000221221113. The reversal of 22000221221111 is 11112212200022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000221221111 - 2² = 22000221221107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22000221221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000221221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6114567746 + ... + 6114571343.

It is an arithmetic number, because the mean of its divisors is an integer number (3155117885220).

Almost surely, 2^{22000221221111} is an apocalyptic number.

22000221221111 is a deficient number, since it is larger than the sum of its proper divisors (3240721860649).

22000221221111 is a wasteful number, since it uses less digits than its factorization.

22000221221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12229139353.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22000221221111 its reverse (11112212200022), we get a palindrome (33112433421133).

The spelling of 22000221221111 in words is "twenty-two trillion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred eleven".