221001202022 has 8 divisors (see below), whose sum is σ = 345914924976. Its totient is φ = 105696227032.

The previous prime is 221001202007. The next prime is 221001202049. The reversal of 221001202022 is 220202100122.

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 = 221001201988 and 221001202006.

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, 2402186933 + ... + 2402187024.

It is an arithmetic number, because the mean of its divisors is an integer number (43239365622).

Almost surely, 2^221001202022 is an apocalyptic number.

221001202022 is a deficient number, since it is larger than the sum of its proper divisors (124913722954).

221001202022 is a wasteful number, since it uses less digits than its factorization.

221001202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804373982.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221001202022 its reverse (220202100122), we get a palindrome (441203302144).

The spelling of 221001202022 in words is "two hundred twenty-one billion, one million, two hundred two thousand, twenty-two".