222000020012221 has 8 divisors (see below), whose sum is σ = 244579680014688. Its totient is φ = 199820000010000.

The previous prime is 222000020012167. The next prime is 222000020012231. The reversal of 222000020012221 is 122210020000222.

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

It is a cyclic number.

It is not a de Polignac number, because 222000020012221 - 2¹³ = 222000020004029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222000020012195 and 222000020012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000020012231) 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, 99909998895 + ... + 99910001116.

It is an arithmetic number, because the mean of its divisors is an integer number (30572460001836).

Almost surely, 2^{222000020012221} is an apocalyptic number.

It is an amenable number.

222000020012221 is a deficient number, since it is larger than the sum of its proper divisors (22579660002467).

222000020012221 is a wasteful number, since it uses less digits than its factorization.

222000020012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199820000123.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222000020012221 its reverse (122210020000222), we get a palindrome (344210040012443).

The spelling of 222000020012221 in words is "two hundred twenty-two trillion, twenty million, twelve thousand, two hundred twenty-one".