2002021122 has 8 divisors (see below), whose sum is σ = 4004042256. Its totient is φ = 667340372.

The previous prime is 2002021097. The next prime is 2002021129. The reversal of 2002021122 is 2211202002.

It is a sphenic number, since it is the product of 3 distinct primes.

2002021122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2002021098 and 2002021107.

It is not an unprimeable number, because it can be changed into a prime (2002021129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166835088 + ... + 166835099.

It is an arithmetic number, because the mean of its divisors is an integer number (500505282).

Almost surely, 2^2002021122 is an apocalyptic number.

2002021122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2002021122 is a wasteful number, since it uses less digits than its factorization.

2002021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333670192.

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

The square root of 2002021122 is about 44743.9506749236. The cubic root of 2002021122 is about 1260.3453160367.

Adding to 2002021122 its reverse (2211202002), we get a palindrome (4213223124).

The spelling of 2002021122 in words is "two billion, two million, twenty-one thousand, one hundred twenty-two".