2001033321222 has 16 divisors (see below), whose sum is σ = 4309917922800. Its totient is φ = 615702560352.

The previous prime is 2001033321211. The next prime is 2001033321229. The reversal of 2001033321222 is 2221233301002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001033321229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12827136597 + ... + 12827136752.

It is an arithmetic number, because the mean of its divisors is an integer number (269369870175).

Almost surely, 2^{2001033321222} is an apocalyptic number.

2001033321222 is an abundant number, since it is smaller than the sum of its proper divisors (2308884601578).

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

2001033321222 is a wasteful number, since it uses less digits than its factorization.

2001033321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25654273367.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2001033321222 its reverse (2221233301002), we get a palindrome (4222266622224).

The spelling of 2001033321222 in words is "two trillion, one billion, thirty-three million, three hundred twenty-one thousand, two hundred twenty-two".