2022002221221 has 12 divisors (see below), whose sum is σ = 2922251203872. Its totient is φ = 1347271636776.

The previous prime is 2022002221199. The next prime is 2022002221223. The reversal of 2022002221221 is 1221222002202.

2022002221221 is a `hidden beast` number, since 2 + 0 + 220 + 0 + 2 + 221 + 221 = 666.

It is not a de Polignac number, because 2022002221221 - 2⁵ = 2022002221189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022002221194 and 2022002221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022002221223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60802791 + ... + 60836036.

It is an arithmetic number, because the mean of its divisors is an integer number (243520933656).

Almost surely, 2^{2022002221221} is an apocalyptic number.

It is an amenable number.

2022002221221 is a deficient number, since it is larger than the sum of its proper divisors (900248982651).

2022002221221 is a wasteful number, since it uses less digits than its factorization.

2022002221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121640680 (or 121640677 counting only the distinct ones).

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

Adding to 2022002221221 its reverse (1221222002202), we get a palindrome (3243224223423).

The spelling of 2022002221221 in words is "two trillion, twenty-two billion, two million, two hundred twenty-one thousand, two hundred twenty-one".