122200121111111 has 8 divisors (see below), whose sum is σ = 126180790130304. Its totient is φ = 118221872693760.

The previous prime is 122200121111053. The next prime is 122200121111143. The reversal of 122200121111111 is 111111121002221.

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 122200121111111 - 2³⁴ = 122182941241927 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 122200121111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200121113111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605047850 + ... + 605249783.

It is an arithmetic number, because the mean of its divisors is an integer number (15772598766288).

Almost surely, 2^{122200121111111} is an apocalyptic number.

122200121111111 is a deficient number, since it is larger than the sum of its proper divisors (3980669019193).

122200121111111 is a wasteful number, since it uses less digits than its factorization.

122200121111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210300921.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 122200121111111 its reverse (111111121002221), we get a palindrome (233311242113332).

The spelling of 122200121111111 in words is "one hundred twenty-two trillion, two hundred billion, one hundred twenty-one million, one hundred eleven thousand, one hundred eleven".