2001222202210 has 512 divisors, whose sum is σ = 4838201819136. Its totient is φ = 578119680000.

The previous prime is 2001222202183. The next prime is 2001222202229. The reversal of 2001222202210 is 122022221002.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 14607461262 + ... + 14607461398.

It is an arithmetic number, because the mean of its divisors is an integer number (9449612928).

Almost surely, 2^{2001222202210} is an apocalyptic number.

2001222202210 is an abundant number, since it is smaller than the sum of its proper divisors (2836979616926).

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

2001222202210 is a wasteful number, since it uses less digits than its factorization.

2001222202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

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

Adding to 2001222202210 its reverse (122022221002), we get a palindrome (2123244423212).

It can be divided in two parts, 20012 and 22202210, that added together give a palindrome (22222222).

The spelling of 2001222202210 in words is "two trillion, one billion, two hundred twenty-two million, two hundred two thousand, two hundred ten".