122311112045109 has 16 divisors (see below), whose sum is σ = 175633851701952. Its totient is φ = 75265102556928.

The previous prime is 122311112045071. The next prime is 122311112045189. The reversal of 122311112045109 is 901540211113221.

It is not a de Polignac number, because 122311112045109 - 2³¹ = 122308964561461 is a prime.

It is a super-2 number, since 2×122311112045109² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122311112045109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311112045189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67301907 + ... + 69095360.

It is an arithmetic number, because the mean of its divisors is an integer number (10977115731372).

Almost surely, 2^{122311112045109} is an apocalyptic number.

It is an amenable number.

122311112045109 is a deficient number, since it is larger than the sum of its proper divisors (53322739656843).

122311112045109 is a wasteful number, since it uses less digits than its factorization.

122311112045109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136420276.

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 122311112045109 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred twelve million, forty-five thousand, one hundred nine".