221202201022 has 16 divisors (see below), whose sum is σ = 364609339632. Its totient is φ = 99812537920.

The previous prime is 221202201007. The next prime is 221202201083. The reversal of 221202201022 is 220102202122.

It is a junction number, because it is equal to n+sod(n) for n = 221202200987 and 221202201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36692773 + ... + 36698800.

It is an arithmetic number, because the mean of its divisors is an integer number (22788083727).

Almost surely, 2^221202201022 is an apocalyptic number.

221202201022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221202201022 is a deficient number, since it is larger than the sum of its proper divisors (143407138610).

221202201022 is a wasteful number, since it uses less digits than its factorization.

221202201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73391723.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221202201022 its reverse (220102202122), we get a palindrome (441304403144).

It can be divided in two parts, 221202 and 201022, that added together give a palindrome (422224).

The spelling of 221202201022 in words is "two hundred twenty-one billion, two hundred two million, two hundred one thousand, twenty-two".