2002120122 has 16 divisors (see below), whose sum is σ = 4013493120. Its totient is φ = 665831232.

The previous prime is 2002120093. The next prime is 2002120129. The reversal of 2002120122 is 2210212002.

It is a junction number, because it is equal to n+sod(n) for n = 2002120098 and 2002120107.

It is not an unprimeable number, because it can be changed into a prime (2002120129) 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, 382722 + ... + 387917.

It is an arithmetic number, because the mean of its divisors is an integer number (250843320).

Almost surely, 2^2002120122 is an apocalyptic number.

2002120122 is an abundant number, since it is smaller than the sum of its proper divisors (2011372998).

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

2002120122 is a wasteful number, since it uses less digits than its factorization.

2002120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771077.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2002120122 is about 44745.0569560482. The cubic root of 2002120122 is about 1260.3660903979.

Adding to 2002120122 its reverse (2210212002), we get a palindrome (4212332124).

The spelling of 2002120122 in words is "two billion, two million, one hundred twenty thousand, one hundred twenty-two".