221202100222 has 8 divisors (see below), whose sum is σ = 331813731096. Its totient is φ = 110597523192.

The previous prime is 221202100213. The next prime is 221202100243. The reversal of 221202100222 is 222001202122.

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

It is a super-3 number, since 3×221202100222³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221202100196 and 221202100205.

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, 1684353 + ... + 1810924.

It is an arithmetic number, because the mean of its divisors is an integer number (41476716387).

Almost surely, 2^221202100222 is an apocalyptic number.

221202100222 is a deficient number, since it is larger than the sum of its proper divisors (110611630874).

221202100222 is a wasteful number, since it uses less digits than its factorization.

221202100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526922.

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

Adding to 221202100222 its reverse (222001202122), we get a palindrome (443203302344).

The spelling of 221202100222 in words is "two hundred twenty-one billion, two hundred two million, one hundred thousand, two hundred twenty-two".