122212212111001 has 16 divisors (see below), whose sum is σ = 122481007856640. Its totient is φ = 121943786627520.

The previous prime is 122212212110957. The next prime is 122212212111061. The reversal of 122212212111001 is 100111212212221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122212212111001 - 2¹³ = 122212212102809 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 122212212111001.

It is not an unprimeable number, because it can be changed into a prime (122212212111061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3516172515 + ... + 3516207271.

It is an arithmetic number, because the mean of its divisors is an integer number (7655062991040).

Almost surely, 2^{122212212111001} is an apocalyptic number.

It is an amenable number.

122212212111001 is a deficient number, since it is larger than the sum of its proper divisors (268795745639).

122212212111001 is a wasteful number, since it uses less digits than its factorization.

122212212111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39864.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122212212111001 its reverse (100111212212221), we get a palindrome (222323424323222).

The spelling of 122212212111001 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one".