2222021002221 has 24 divisors (see below), whose sum is σ = 3264124462560. Its totient is φ = 1456177823136.

The previous prime is 2222021002207. The next prime is 2222021002249. The reversal of 2222021002221 is 1222001202222.

2222021002221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2222021002221 - 2⁵ = 2222021002189 is a prime.

It is a super-2 number, since 2×2222021002221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222021002194 and 2222021002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222021007221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14730835 + ... + 14880911.

It is an arithmetic number, because the mean of its divisors is an integer number (136005185940).

Almost surely, 2^{2222021002221} is an apocalyptic number.

It is an amenable number.

2222021002221 is a deficient number, since it is larger than the sum of its proper divisors (1042103460339).

2222021002221 is a wasteful number, since it uses less digits than its factorization.

2222021002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178025 (or 178022 counting only the distinct ones).

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

Adding to 2222021002221 its reverse (1222001202222), we get a palindrome (3444022204443).

The spelling of 2222021002221 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two thousand, two hundred twenty-one".