222021122102021 has 8 divisors (see below), whose sum is σ = 242277967928064. Its totient is φ = 201776460851520.

The previous prime is 222021122102011. The next prime is 222021122102063. The reversal of 222021122102021 is 120201221120222.

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-222021122102021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222021122101984 and 222021122102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021122102011) 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 7 ways as a sum of consecutive naturals, for example, 3046105781 + ... + 3046178666.

It is an arithmetic number, because the mean of its divisors is an integer number (30284745991008).

Almost surely, 2^{222021122102021} is an apocalyptic number.

It is an amenable number.

222021122102021 is a deficient number, since it is larger than the sum of its proper divisors (20256845826043).

222021122102021 is a wasteful number, since it uses less digits than its factorization.

222021122102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092287771.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222021122102021 its reverse (120201221120222), we get a palindrome (342222343222243).

The spelling of 222021122102021 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred two thousand, twenty-one".