2001222220002 has 16 divisors (see below), whose sum is σ = 4070282482080. Its totient is φ = 655767732992.

The previous prime is 2001222220001. The next prime is 2001222220003. The reversal of 2001222220002 is 2000222221002.

It is an interprime number because it is at equal distance from previous prime (2001222220001) and next prime (2001222220003).

It is not an unprimeable number, because it can be changed into a prime (2001222220001) 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, 2826584703 + ... + 2826585410.

It is an arithmetic number, because the mean of its divisors is an integer number (254392655130).

Almost surely, 2^{2001222220002} is an apocalyptic number.

2001222220002 is an abundant number, since it is smaller than the sum of its proper divisors (2069060262078).

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

2001222220002 is a wasteful number, since it uses less digits than its factorization.

2001222220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653170177.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2001222220002 its reverse (2000222221002), we get a palindrome (4001444441004).

The spelling of 2001222220002 in words is "two trillion, one billion, two hundred twenty-two million, two hundred twenty thousand, two".