222021222200121 has 16 divisors (see below), whose sum is σ = 297667235593728. Its totient is φ = 147194697283200.

The previous prime is 222021222200081. The next prime is 222021222200143. The reversal of 222021222200121 is 121002222120222.

It is not a de Polignac number, because 222021222200121 - 2⁴⁷ = 81283733844793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222021222200021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45806341 + ... + 50420861.

It is an arithmetic number, because the mean of its divisors is an integer number (18604202224608).

Almost surely, 2^{222021222200121} is an apocalyptic number.

It is an amenable number.

222021222200121 is a deficient number, since it is larger than the sum of its proper divisors (75646013393607).

222021222200121 is a wasteful number, since it uses less digits than its factorization.

222021222200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703312.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222021222200121 its reverse (121002222120222), we get a palindrome (343023444320343).

The spelling of 222021222200121 in words is "two hundred twenty-two trillion, twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-one".