2001220110002 has 32 divisors (see below), whose sum is σ = 3024155863872. Its totient is φ = 993194256384.

The previous prime is 2001220109981. The next prime is 2001220110011. The reversal of 2001220110002 is 2000110221002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371487953 + ... + 371493339.

It is an arithmetic number, because the mean of its divisors is an integer number (94504870746).

Almost surely, 2^{2001220110002} is an apocalyptic number.

2001220110002 is a deficient number, since it is larger than the sum of its proper divisors (1022935753870).

2001220110002 is a wasteful number, since it uses less digits than its factorization.

2001220110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2001220110002 its reverse (2000110221002), we get a palindrome (4001330331004).

The spelling of 2001220110002 in words is "two trillion, one billion, two hundred twenty million, one hundred ten thousand, two".