2001220102103 has 8 divisors (see below), whose sum is σ = 2041369380288. Its totient is φ = 1961159357664.

The previous prime is 2001220102087. The next prime is 2001220102171. The reversal of 2001220102103 is 3012010221002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001220102103 - 2⁴ = 2001220102087 is a prime.

It is a super-2 number, since 2×2001220102103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001220102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22087775 + ... + 22178192.

It is an arithmetic number, because the mean of its divisors is an integer number (255171172536).

Almost surely, 2^{2001220102103} is an apocalyptic number.

2001220102103 is a deficient number, since it is larger than the sum of its proper divisors (40149278185).

2001220102103 is an equidigital number, since it uses as much as digits as its factorization.

2001220102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44266873.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2001220102103 its reverse (3012010221002), we get a palindrome (5013230323105).

The spelling of 2001220102103 in words is "two trillion, one billion, two hundred twenty million, one hundred two thousand, one hundred three".