2021022100211 has 4 divisors (see below), whose sum is σ = 2021028252000. Its totient is φ = 2021015948424.

The previous prime is 2021022100189. The next prime is 2021022100241. The reversal of 2021022100211 is 1120012201202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021022100211 - 2¹⁸ = 2021021838067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021022100241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553536 + ... + 3250013.

It is an arithmetic number, because the mean of its divisors is an integer number (505257063000).

Almost surely, 2^{2021022100211} is an apocalyptic number.

2021022100211 is a deficient number, since it is larger than the sum of its proper divisors (6151789).

2021022100211 is an equidigital number, since it uses as much as digits as its factorization.

2021022100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151788.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021022100211 its reverse (1120012201202), we get a palindrome (3141034301413).

The spelling of 2021022100211 in words is "two trillion, twenty-one billion, twenty-two million, one hundred thousand, two hundred eleven".