2211022020021 has 8 divisors (see below), whose sum is σ = 2988413324160. Its totient is φ = 1453822697952.

The previous prime is 2211022020017. The next prime is 2211022020091. The reversal of 2211022020021 is 1200202201122.

2211022020021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2211022020021 - 2² = 2211022020017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211022020091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5047995261 + ... + 5047995698.

It is an arithmetic number, because the mean of its divisors is an integer number (373551665520).

Almost surely, 2^{2211022020021} is an apocalyptic number.

It is an amenable number.

2211022020021 is a deficient number, since it is larger than the sum of its proper divisors (777391304139).

2211022020021 is a wasteful number, since it uses less digits than its factorization.

2211022020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095991035.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2211022020021 its reverse (1200202201122), we get a palindrome (3411224221143).

The spelling of 2211022020021 in words is "two trillion, two hundred eleven billion, twenty-two million, twenty thousand, twenty-one".