222001002021 has 8 divisors (see below), whose sum is σ = 296386256320. Its totient is φ = 147808207872.

The previous prime is 222001002019. The next prime is 222001002061. The reversal of 222001002021 is 120200100222.

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

It is not a de Polignac number, because 222001002021 - 2¹ = 222001002019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222001001988 and 222001002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001002061) 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, 48112345 + ... + 48116958.

It is an arithmetic number, because the mean of its divisors is an integer number (37048282040).

Almost surely, 2^222001002021 is an apocalyptic number.

It is an amenable number.

222001002021 is a deficient number, since it is larger than the sum of its proper divisors (74385254299).

222001002021 is an equidigital number, since it uses as much as digits as its factorization.

222001002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96230075.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222001002021 its reverse (120200100222), we get a palindrome (342201102243).

The spelling of 222001002021 in words is "two hundred twenty-two billion, one million, two thousand, twenty-one".