22212200120111 has 4 divisors (see below), whose sum is σ = 22479816989112. Its totient is φ = 21944583251112.

The previous prime is 22212200120087. The next prime is 22212200120171. The reversal of 22212200120111 is 11102100221222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212200120111 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 22212200120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212200120171) 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, 133808434376 + ... + 133808434541.

It is an arithmetic number, because the mean of its divisors is an integer number (5619954247278).

Almost surely, 2^{22212200120111} is an apocalyptic number.

22212200120111 is a deficient number, since it is larger than the sum of its proper divisors (267616869001).

22212200120111 is an equidigital number, since it uses as much as digits as its factorization.

22212200120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267616869000.

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

Adding to 22212200120111 its reverse (11102100221222), we get a palindrome (33314300341333).

The spelling of 22212200120111 in words is "twenty-two trillion, two hundred twelve billion, two hundred million, one hundred twenty thousand, one hundred eleven".