2021222210201 has 16 divisors (see below), whose sum is σ = 2073306326400. Its totient is φ = 1969658620800.

The previous prime is 2021222210173. The next prime is 2021222210263. The reversal of 2021222210201 is 1020122221202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2021222210201 - 2¹⁰ = 2021222209177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021222210201.

It is not an unprimeable number, because it can be changed into a prime (2021222210401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69603581 + ... + 69632613.

It is an arithmetic number, because the mean of its divisors is an integer number (129581645400).

Almost surely, 2^{2021222210201} is an apocalyptic number.

It is an amenable number.

2021222210201 is a deficient number, since it is larger than the sum of its proper divisors (52084116199).

2021222210201 is a wasteful number, since it uses less digits than its factorization.

2021222210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37936.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021222210201 its reverse (1020122221202), we get a palindrome (3041344431403).

It can be divided in two parts, 2021 and 222210201, that added together give a palindrome (222212222).

The spelling of 2021222210201 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred ten thousand, two hundred one".