2122122120198 has 16 divisors (see below), whose sum is σ = 4252888328256. Its totient is φ = 705933358760.

The previous prime is 2122122120187. The next prime is 2122122120199. The reversal of 2122122120198 is 8910212212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122120199) 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, 360167136 + ... + 360173027.

It is an arithmetic number, because the mean of its divisors is an integer number (265805520516).

Almost surely, 2^{2122122120198} is an apocalyptic number.

2122122120198 is an abundant number, since it is smaller than the sum of its proper divisors (2130766208058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122122120198 is a wasteful number, since it uses less digits than its factorization.

2122122120198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720340659.

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 2122122120198 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred ninety-eight".