2002021222210 has 32 divisors (see below), whose sum is σ = 3626947568880. Its totient is φ = 795629632512.

The previous prime is 2002021222193. The next prime is 2002021222237. The reversal of 2002021222210 is 122221202002.

It can be written as a sum of positive squares in 8 ways, for example, as 1299205589929 + 702815632281 = 1139827^2 + 838341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17490846 + ... + 17604934.

Almost surely, 2^{2002021222210} is an apocalyptic number.

2002021222210 is a deficient number, since it is larger than the sum of its proper divisors (1624926346670).

2002021222210 is a wasteful number, since it uses less digits than its factorization.

2002021222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125430.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2002021222210 its reverse (122221202002), we get a palindrome (2124242424212).

The spelling of 2002021222210 in words is "two trillion, two billion, twenty-one million, two hundred twenty-two thousand, two hundred ten".