2021110211201 has 8 divisors (see below), whose sum is σ = 2140022140200. Its totient is φ = 1902200848128.

The previous prime is 2021110211143. The next prime is 2021110211203. The reversal of 2021110211201 is 1021120111202.

It can be written as a sum of positive squares in 4 ways, for example, as 119179610176 + 1901930601025 = 345224^2 + 1379105^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021110211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021110211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118135 + ... + 2300531.

It is an arithmetic number, because the mean of its divisors is an integer number (267502767525).

Almost surely, 2^{2021110211201} is an apocalyptic number.

It is an amenable number.

2021110211201 is a deficient number, since it is larger than the sum of its proper divisors (118911928999).

2021110211201 is a wasteful number, since it uses less digits than its factorization.

2021110211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282963.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021110211201 its reverse (1021120111202), we get a palindrome (3042230322403).

Subtracting from 2021110211201 its reverse (1021120111202), we obtain a palindrome (999990099999).

The spelling of 2021110211201 in words is "two trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, two hundred one".