222120013021 has 8 divisors (see below), whose sum is σ = 224044050560. Its totient is φ = 220202422128.

The previous prime is 222120013009. The next prime is 222120013051. The reversal of 222120013021 is 120310021222.

It is a happy number.

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 222120013021 - 2⁷ = 222120012893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120012986 and 222120013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120013051) 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, 1542441 + ... + 1680286.

It is an arithmetic number, because the mean of its divisors is an integer number (28005506320).

Almost surely, 2^222120013021 is an apocalyptic number.

It is an amenable number.

222120013021 is a deficient number, since it is larger than the sum of its proper divisors (1924037539).

222120013021 is a wasteful number, since it uses less digits than its factorization.

222120013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223323.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222120013021 its reverse (120310021222), we get a palindrome (342430034243).

The spelling of 222120013021 in words is "two hundred twenty-two billion, one hundred twenty million, thirteen thousand, twenty-one".