2002200212021 has 2 divisors, whose sum is σ = 2002200212022. Its totient is φ = 2002200212020.

The previous prime is 2002200211997. The next prime is 2002200212027. The reversal of 2002200212021 is 1202120022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1885571131921 + 116629080100 = 1373161^2 + 341510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002200212021 - 2³⁸ = 1727322305077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002200211987 and 2002200212005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002200212027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001100106010 + 1001100106011.

It is an arithmetic number, because the mean of its divisors is an integer number (1001100106011).

Almost surely, 2^{2002200212021} is an apocalyptic number.

It is an amenable number.

2002200212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002200212021 is an equidigital number, since it uses as much as digits as its factorization.

2002200212021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2002200212021 its reverse (1202120022002), we get a palindrome (3204320234023).

It can be divided in two parts, 20022002 and 12021, that multiplied together give a palindrome (240684486042).

The spelling of 2002200212021 in words is "two trillion, two billion, two hundred million, two hundred twelve thousand, twenty-one".