2002110201221 has 8 divisors (see below), whose sum is σ = 2156214816504. Its totient is φ = 1848019320000.

The previous prime is 2002110201193. The next prime is 2002110201227. The reversal of 2002110201221 is 1221020112002.

It can be written as a sum of positive squares in 4 ways, for example, as 1232211002500 + 769899198721 = 1110050^2 + 877439^2 .

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 2002110201221 - 2²² = 2002106006917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002110201196 and 2002110201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002110201227) 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 7 ways as a sum of consecutive naturals, for example, 3129746 + ... + 3714771.

It is an arithmetic number, because the mean of its divisors is an integer number (269526852063).

Almost surely, 2^{2002110201221} is an apocalyptic number.

It is an amenable number.

2002110201221 is a deficient number, since it is larger than the sum of its proper divisors (154104615283).

2002110201221 is a wasteful number, since it uses less digits than its factorization.

2002110201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867031.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002110201221 its reverse (1221020112002), we get a palindrome (3223130313223).

The spelling of 2002110201221 in words is "two trillion, two billion, one hundred ten million, two hundred one thousand, two hundred twenty-one".