2002202120221 has 12 divisors (see below), whose sum is σ = 2113184508192. Its totient is φ = 1896771840264.

The previous prime is 2002202120207. The next prime is 2002202120249. The reversal of 2002202120221 is 1220212022002.

It is a de Polignac number, because none of the positive numbers 2^k-2002202120221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002202120195 and 2002202120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002202120201) 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 11 ways as a sum of consecutive naturals, for example, 24161160 + ... + 24243886.

It is an arithmetic number, because the mean of its divisors is an integer number (176098709016).

Almost surely, 2^{2002202120221} is an apocalyptic number.

It is an amenable number.

2002202120221 is a deficient number, since it is larger than the sum of its proper divisors (110982387971).

2002202120221 is an equidigital number, since it uses as much as digits as its factorization.

2002202120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149808 (or 149789 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2002202120221 its reverse (1220212022002), we get a palindrome (3222414142223).

The spelling of 2002202120221 in words is "two trillion, two billion, two hundred two million, one hundred twenty thousand, two hundred twenty-one".