2001220102202 has 8 divisors (see below), whose sum is σ = 3003695807700. Its totient is φ = 999988166304.

The previous prime is 2001220102201. The next prime is 2001220102283. The reversal of 2001220102202 is 2022010221002.

It can be written as a sum of positive squares in 2 ways, for example, as 1660538927161 + 340681175041 = 1288619^2 + 583679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2001220102201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 310938377 + ... + 310944812.

Almost surely, 2^{2001220102202} is an apocalyptic number.

2001220102202 is a deficient number, since it is larger than the sum of its proper divisors (1002475705498).

2001220102202 is a wasteful number, since it uses less digits than its factorization.

2001220102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621884800.

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

Adding to 2001220102202 its reverse (2022010221002), we get a palindrome (4023230323204).

The spelling of 2001220102202 in words is "two trillion, one billion, two hundred twenty million, one hundred two thousand, two hundred two".