2120122122109 has 8 divisors (see below), whose sum is σ = 2135945510208. Its totient is φ = 2104303778400.

The previous prime is 2120122122091. The next prime is 2120122122127. The reversal of 2120122122109 is 9012212210212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120122122091) and next prime (2120122122127).

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-2120122122109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120122122809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415267 + ... + 2100640.

It is an arithmetic number, because the mean of its divisors is an integer number (266993188776).

Almost surely, 2^{2120122122109} is an apocalyptic number.

It is an amenable number.

2120122122109 is a deficient number, since it is larger than the sum of its proper divisors (15823388099).

2120122122109 is a wasteful number, since it uses less digits than its factorization.

2120122122109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522195.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 2120122122109 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred nine".