2021000110221 has 8 divisors (see below), whose sum is σ = 2712751826400. Its totient is φ = 1338290900432.

The previous prime is 2021000110193. The next prime is 2021000110243. The reversal of 2021000110221 is 1220110001202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021000110221 - 2¹³ = 2021000102029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2021000110197 and 2021000110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021000117221) 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, 2260626075 + ... + 2260626968.

It is an arithmetic number, because the mean of its divisors is an integer number (339093978300).

Almost surely, 2^{2021000110221} is an apocalyptic number.

It is an amenable number.

2021000110221 is a deficient number, since it is larger than the sum of its proper divisors (691751716179).

2021000110221 is a wasteful number, since it uses less digits than its factorization.

2021000110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521253195.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021000110221 its reverse (1220110001202), we get a palindrome (3241110111423).

The spelling of 2021000110221 in words is "two trillion, twenty-one billion, one hundred ten thousand, two hundred twenty-one".