2001120220002 has 32 divisors (see below), whose sum is σ = 4039932413952. Its totient is φ = 660774167424.

The previous prime is 2001120219983. The next prime is 2001120220019. The reversal of 2001120220002 is 2000220211002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001120220002.

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, 1513243 + ... + 2508414.

It is an arithmetic number, because the mean of its divisors is an integer number (126247887936).

Almost surely, 2^{2001120220002} is an apocalyptic number.

2001120220002 is an abundant number, since it is smaller than the sum of its proper divisors (2038812193950).

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

2001120220002 is a wasteful number, since it uses less digits than its factorization.

2001120220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022442.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2001120220002 its reverse (2000220211002), we get a palindrome (4001340431004).

The spelling of 2001120220002 in words is "two trillion, one billion, one hundred twenty million, two hundred twenty thousand, two".