122112111022109 has 8 divisors (see below), whose sum is σ = 134303336509440. Its totient is φ = 110320597845936.

The previous prime is 122112111022039. The next prime is 122112111022133. The reversal of 122112111022109 is 901220111211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122112111022109 is a prime.

It is a super-2 number, since 2×122112111022109² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112111052109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99928077149 + ... + 99928078370.

It is an arithmetic number, because the mean of its divisors is an integer number (16787917063680).

Almost surely, 2^{122112111022109} is an apocalyptic number.

It is an amenable number.

122112111022109 is a deficient number, since it is larger than the sum of its proper divisors (12191225487331).

122112111022109 is a wasteful number, since it uses less digits than its factorization.

122112111022109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199856155579.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 122112111022109 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred eleven million, twenty-two thousand, one hundred nine".