2002212220221 has 12 divisors (see below), whose sum is σ = 3017827114848. Its totient is φ = 1276773009864.

The previous prime is 2002212220199. The next prime is 2002212220247. The reversal of 2002212220221 is 1220222122002.

2002212220221 is a `hidden beast` number, since 2 + 0 + 0 + 221 + 2 + 220 + 221 = 666.

It is not a de Polignac number, because 2002212220221 - 2⁵ = 2002212220189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002212220194 and 2002212220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002212220291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4836261195 + ... + 4836261608.

It is an arithmetic number, because the mean of its divisors is an integer number (251485592904).

Almost surely, 2^{2002212220221} is an apocalyptic number.

It is an amenable number.

2002212220221 is a deficient number, since it is larger than the sum of its proper divisors (1015614894627).

2002212220221 is a wasteful number, since it uses less digits than its factorization.

2002212220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672522832 (or 9672522829 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2002212220221 its reverse (1220222122002), we get a palindrome (3222434342223).

The spelling of 2002212220221 in words is "two trillion, two billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-one".