2021100220211 has 8 divisors (see below), whose sum is σ = 2022902002800. Its totient is φ = 2019298920352.

The previous prime is 2021100220163. The next prime is 2021100220213. The reversal of 2021100220211 is 1120220011202.

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-2021100220211 is a prime.

It is a super-2 number, since 2×2021100220211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021100220213) 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, 8531681 + ... + 8765373.

It is an arithmetic number, because the mean of its divisors is an integer number (252862750350).

Almost surely, 2^{2021100220211} is an apocalyptic number.

2021100220211 is a deficient number, since it is larger than the sum of its proper divisors (1801782589).

2021100220211 is a wasteful number, since it uses less digits than its factorization.

2021100220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241365.

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

Adding to 2021100220211 its reverse (1120220011202), we get a palindrome (3141320231413).

The spelling of 2021100220211 in words is "two trillion, twenty-one billion, one hundred million, two hundred twenty thousand, two hundred eleven".