2001022221202 has 8 divisors (see below), whose sum is σ = 3023127097200. Its totient is φ = 993313188804.

The previous prime is 2001022221193. The next prime is 2001022221203. The reversal of 2001022221202 is 2021222201002.

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

It is not an unprimeable number, because it can be changed into a prime (2001022221203) 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, 3598960552 + ... + 3598961107.

It is an arithmetic number, because the mean of its divisors is an integer number (377890887150).

Almost surely, 2^{2001022221202} is an apocalyptic number.

2001022221202 is a deficient number, since it is larger than the sum of its proper divisors (1022104875998).

2001022221202 is a wasteful number, since it uses less digits than its factorization.

2001022221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197921800.

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

Adding to 2001022221202 its reverse (2021222201002), we get a palindrome (4022244422204).

The spelling of 2001022221202 in words is "two trillion, one billion, twenty-two million, two hundred twenty-one thousand, two hundred two".