221021112022 has 8 divisors (see below), whose sum is σ = 331566627672. Its totient is φ = 110498902800.

The previous prime is 221021112001. The next prime is 221021112031. The reversal of 221021112022 is 220211120122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 221021111987 and 221021112005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5802879 + ... + 5840842.

It is an arithmetic number, because the mean of its divisors is an integer number (41445828459).

Almost surely, 2^221021112022 is an apocalyptic number.

221021112022 is a deficient number, since it is larger than the sum of its proper divisors (110545515650).

221021112022 is a wasteful number, since it uses less digits than its factorization.

221021112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11653214.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221021112022 its reverse (220211120122), we get a palindrome (441232232144).

The spelling of 221021112022 in words is "two hundred twenty-one billion, twenty-one million, one hundred twelve thousand, twenty-two".