122200200212111 has 4 divisors (see below), whose sum is σ = 139657371670992. Its totient is φ = 104743028753232.

The previous prime is 122200200212099. The next prime is 122200200212113. The reversal of 122200200212111 is 111212002002221.

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 122200200212111 - 2³⁸ = 121925322305167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122200200212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200200212113) 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, 8728585729430 + ... + 8728585729443.

It is an arithmetic number, because the mean of its divisors is an integer number (34914342917748).

Almost surely, 2^{122200200212111} is an apocalyptic number.

122200200212111 is a deficient number, since it is larger than the sum of its proper divisors (17457171458881).

122200200212111 is an equidigital number, since it uses as much as digits as its factorization.

122200200212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17457171458880.

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

Adding to 122200200212111 its reverse (111212002002221), we get a palindrome (233412202214332).

The spelling of 122200200212111 in words is "one hundred twenty-two trillion, two hundred billion, two hundred million, two hundred twelve thousand, one hundred eleven".