2001220221002 has 16 divisors (see below), whose sum is σ = 3034895610240. Its totient is φ = 989613487632.

The previous prime is 2001220220981. The next prime is 2001220221019.

2001220221002 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6124502 + ... + 6442977.

It is an arithmetic number, because the mean of its divisors is an integer number (189680975640).

Almost surely, 2^{2001220221002} is an apocalyptic number.

2001220221002 is a deficient number, since it is larger than the sum of its proper divisors (1033675389238).

2001220221002 is a wasteful number, since it uses less digits than its factorization.

2001220221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12568357.

The product of its (nonzero) digits is 64, while the sum is 14.

It can be divided in two parts, 2001220 and 221002, that added together give a palindrome (2222222).

The spelling of 2001220221002 in words is "two trillion, one billion, two hundred twenty million, two hundred twenty-one thousand, two".