122120211109 has 8 divisors (see below), whose sum is σ = 131634633312. Its totient is φ = 112623011760.

The previous prime is 122120211097. The next prime is 122120211113. The reversal of 122120211109 is 901112021221.

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 122120211109 - 2³⁵ = 87760472741 is a prime.

It is a super-2 number, since 2×122120211109² (a number of 23 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 122120211109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120211149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290979 + ... + 4319344.

It is an arithmetic number, because the mean of its divisors is an integer number (16454329164).

Almost surely, 2^122120211109 is an apocalyptic number.

It is an amenable number.

122120211109 is a deficient number, since it is larger than the sum of its proper divisors (9514422203).

122120211109 is a wasteful number, since it uses less digits than its factorization.

122120211109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611427.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 122120211109 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, one hundred nine".