2201222022021 has 48 divisors (see below), whose sum is σ = 3513489408000. Its totient is φ = 1316815362720.

The previous prime is 2201222022011. The next prime is 2201222022091. The reversal of 2201222022021 is 1202202221022.

2201222022021 is a `hidden beast` number, since 2 + 201 + 2 + 220 + 220 + 21 = 666.

It is not a de Polignac number, because 2201222022021 - 2¹⁰ = 2201222020997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201222021985 and 2201222022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201222022011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29048460 + ... + 29124138.

It is an arithmetic number, because the mean of its divisors is an integer number (73197696000).

Almost surely, 2^{2201222022021} is an apocalyptic number.

It is an amenable number.

2201222022021 is a deficient number, since it is larger than the sum of its proper divisors (1312267385979).

2201222022021 is a wasteful number, since it uses less digits than its factorization.

2201222022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79494 (or 79491 counting only the distinct ones).

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

Adding to 2201222022021 its reverse (1202202221022), we get a palindrome (3403424243043).

The spelling of 2201222022021 in words is "two trillion, two hundred one billion, two hundred twenty-two million, twenty-two thousand, twenty-one".