2002211122220 has 24 divisors (see below), whose sum is σ = 4204912185600. Its totient is φ = 800833243392.

The previous prime is 2002211122217. The next prime is 2002211122243. The reversal of 2002211122220 is 222211122002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878925 + ... + 3506084.

It is an arithmetic number, because the mean of its divisors is an integer number (175204674400).

Almost surely, 2^{2002211122220} is an apocalyptic number.

2002211122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002211122220 is an abundant number, since it is smaller than the sum of its proper divisors (2202701063380).

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

2002211122220 is a wasteful number, since it uses less digits than its factorization.

2002211122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400697 (or 6400695 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2002211122220 its reverse (222211122002), we get a palindrome (2224422244222).

The spelling of 2002211122220 in words is "two trillion, two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty".