2001222202202 has 32 divisors (see below), whose sum is σ = 3157460644800. Its totient is φ = 950082473088.

The previous prime is 2001222202183. The next prime is 2001222202229. The reversal of 2001222202202 is 2022022221002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3313949 + ... + 3871007.

It is an arithmetic number, because the mean of its divisors is an integer number (98670645150).

Almost surely, 2^{2001222202202} is an apocalyptic number.

2001222202202 is a deficient number, since it is larger than the sum of its proper divisors (1156238442598).

2001222202202 is a wasteful number, since it uses less digits than its factorization.

2001222202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558270.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2001222202202 its reverse (2022022221002), we get a palindrome (4023244423204).

The spelling of 2001222202202 in words is "two trillion, one billion, two hundred twenty-two million, two hundred two thousand, two hundred two".