2201120211021 has 64 divisors (see below), whose sum is σ = 3222053683200. Its totient is φ = 1331629238016.

The previous prime is 2201120211011. The next prime is 2201120211053. The reversal of 2201120211021 is 1201120211022.

It is not a de Polignac number, because 2201120211021 - 2⁶ = 2201120210957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201120211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312700020 + ... + 312707058.

It is an arithmetic number, because the mean of its divisors is an integer number (50344588800).

Almost surely, 2^{2201120211021} is an apocalyptic number.

It is an amenable number.

2201120211021 is a deficient number, since it is larger than the sum of its proper divisors (1020933472179).

2201120211021 is a wasteful number, since it uses less digits than its factorization.

2201120211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201120211021 its reverse (1201120211022), we get a palindrome (3402240422043).

Subtracting from 2201120211021 its reverse (1201120211022), we obtain a palindrome (999999999999).

The spelling of 2201120211021 in words is "two trillion, two hundred one billion, one hundred twenty million, two hundred eleven thousand, twenty-one".