122222000111111 has 8 divisors (see below), whose sum is σ = 122245879579824. Its totient is φ = 122198122840320.

The previous prime is 122222000111077. The next prime is 122222000111147. The reversal of 122222000111111 is 111111000222221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122222000111111 is a prime.

It is a super-2 number, since 2×122222000111111² (a number of 29 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 122222000111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222000191111) 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, 112956581 + ... + 114033473.

It is an arithmetic number, because the mean of its divisors is an integer number (15280734947478).

Almost surely, 2^{122222000111111} is an apocalyptic number.

122222000111111 is a deficient number, since it is larger than the sum of its proper divisors (23879468713).

122222000111111 is a wasteful number, since it uses less digits than its factorization.

122222000111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098961.

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

Adding to 122222000111111 its reverse (111111000222221), we get a palindrome (233333000333332).

The spelling of 122222000111111 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred eleven thousand, one hundred eleven".