2001020221202 has 8 divisors (see below), whose sum is σ = 3018880218636. Its totient is φ = 994726814992.

The previous prime is 2001020221201. The next prime is 2001020221261. The reversal of 2001020221202 is 2021220201002.

It can be written as a sum of positive squares in 2 ways, for example, as 1768716464761 + 232303756441 = 1329931^2 + 481979^2 .

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 (2001020221201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2891647373 + ... + 2891648064.

Almost surely, 2^{2001020221202} is an apocalyptic number.

2001020221202 is a deficient number, since it is larger than the sum of its proper divisors (1017859997434).

2001020221202 is a wasteful number, since it uses less digits than its factorization.

2001020221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783295612.

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

Adding to 2001020221202 its reverse (2021220201002), we get a palindrome (4022240422204).

It can be divided in two parts, 2001020 and 221202, that added together give a palindrome (2222222).

The spelling of 2001020221202 in words is "two trillion, one billion, twenty million, two hundred twenty-one thousand, two hundred two".