122112102101111 has 4 divisors (see below), whose sum is σ = 122117500775400. Its totient is φ = 122106703426824.

The previous prime is 122112102101089. The next prime is 122112102101147. The reversal of 122112102101111 is 111101201211221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122112102101111 is a prime.

It is a super-2 number, since 2×122112102101111² (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 122112102101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112102131111) 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 3 ways as a sum of consecutive naturals, for example, 2699303216 + ... + 2699348453.

It is an arithmetic number, because the mean of its divisors is an integer number (30529375193850).

Almost surely, 2^{122112102101111} is an apocalyptic number.

122112102101111 is a deficient number, since it is larger than the sum of its proper divisors (5398674289).

122112102101111 is an equidigital number, since it uses as much as digits as its factorization.

122112102101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398674288.

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

Adding to 122112102101111 its reverse (111101201211221), we get a palindrome (233213303312332).

The spelling of 122112102101111 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred one thousand, one hundred eleven".