122001011222111 has 8 divisors (see below), whose sum is σ = 139510743816864. Its totient is φ = 104511532803840.

The previous prime is 122001011222087. The next prime is 122001011222177. The reversal of 122001011222111 is 111222110100221.

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 122001011222111 - 2³⁰ = 121999937480287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122001011222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001011422111) 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 7 ways as a sum of consecutive naturals, for example, 5063531210 + ... + 5063555303.

It is an arithmetic number, because the mean of its divisors is an integer number (17438842977108).

Almost surely, 2^{122001011222111} is an apocalyptic number.

122001011222111 is a deficient number, since it is larger than the sum of its proper divisors (17509732594753).

122001011222111 is a wasteful number, since it uses less digits than its factorization.

122001011222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127088241.

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

Adding to 122001011222111 its reverse (111222110100221), we get a palindrome (233223121322332).

The spelling of 122001011222111 in words is "one hundred twenty-two trillion, one billion, eleven million, two hundred twenty-two thousand, one hundred eleven".