2201200022021 has 24 divisors (see below), whose sum is σ = 3008233406304. Its totient is φ = 1583280730080.

The previous prime is 2201200021997. The next prime is 2201200022039. The reversal of 2201200022021 is 1202200021022.

It is not a de Polignac number, because 2201200022021 - 2²² = 2201195827717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201200021987 and 2201200022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201200022071) 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, 157064495 + ... + 157078508.

It is an arithmetic number, because the mean of its divisors is an integer number (125343058596).

Almost surely, 2^{2201200022021} is an apocalyptic number.

It is an amenable number.

2201200022021 is a deficient number, since it is larger than the sum of its proper divisors (807033384283).

2201200022021 is a wasteful number, since it uses less digits than its factorization.

2201200022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314143041 (or 314143034 counting only the distinct ones).

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

Adding to 2201200022021 its reverse (1202200021022), we get a palindrome (3403400043043).

Subtracting from 2201200022021 its reverse (1202200021022), we obtain a palindrome (999000000999).

The spelling of 2201200022021 in words is "two trillion, two hundred one billion, two hundred million, twenty-two thousand, twenty-one".