221201120002202 has 8 divisors (see below), whose sum is σ = 331820124755700. Its totient is φ = 110594411750304.

The previous prime is 221201120002193. The next prime is 221201120002223. The reversal of 221201120002202 is 202200021102122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202055165881321 + 19145954120881 = 14214611^2 + 4375609^2 .

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

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, 3074080427 + ... + 3074152382.

Almost surely, 2^{221201120002202} is an apocalyptic number.

221201120002202 is a deficient number, since it is larger than the sum of its proper divisors (110619004753498).

221201120002202 is a wasteful number, since it uses less digits than its factorization.

221201120002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148250800.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221201120002202 its reverse (202200021102122), we get a palindrome (423401141104324).

The spelling of 221201120002202 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred twenty million, two thousand, two hundred two".