2021222220201 has 24 divisors (see below), whose sum is σ = 2998623598464. Its totient is φ = 1310987060640.

The previous prime is 2021222220197. The next prime is 2021222220209. The reversal of 2021222220201 is 1020222221202.

2021222220201 is a `hidden beast` number, since 2 + 0 + 21 + 222 + 220 + 201 = 666.

It is not a de Polignac number, because 2021222220201 - 2² = 2021222220197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021222220209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5890770 + ... + 6224436.

It is an arithmetic number, because the mean of its divisors is an integer number (124942649936).

Almost surely, 2^{2021222220201} is an apocalyptic number.

It is an amenable number.

2021222220201 is a deficient number, since it is larger than the sum of its proper divisors (977401378263).

2021222220201 is a wasteful number, since it uses less digits than its factorization.

2021222220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351901 (or 351898 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2021222220201 its reverse (1020222221202), we get a palindrome (3041444441403).

It can be divided in two parts, 2021 and 222220201, that added together give a palindrome (222222222).

The spelling of 2021222220201 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, two hundred one".