2002001122 has 8 divisors (see below), whose sum is σ = 3276001872. Its totient is φ = 910000500.

The previous prime is 2002001117. The next prime is 2002001123. The reversal of 2002001122 is 2211002002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2002001099 and 2002001108.

It is not an unprimeable number, because it can be changed into a prime (2002001123) 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, 45500004 + ... + 45500047.

It is an arithmetic number, because the mean of its divisors is an integer number (409500234).

Almost surely, 2^2002001122 is an apocalyptic number.

2002001122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002001122 is a deficient number, since it is larger than the sum of its proper divisors (1274000750).

2002001122 is a wasteful number, since it uses less digits than its factorization.

2002001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91000064.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2002001122 is about 44743.7271804663. The cubic root of 2002001122 is about 1260.3411191129.

Adding to 2002001122 its reverse (2211002002), we get a palindrome (4213003124).

The spelling of 2002001122 in words is "two billion, two million, one thousand, one hundred twenty-two".