221122210200201 has 12 divisors (see below), whose sum is σ = 319431144862960. Its totient is φ = 147399854432760.

The previous prime is 221122210200181. The next prime is 221122210200257. The reversal of 221122210200201 is 102002012221122.

It is a happy number.

221122210200201 is a `hidden beast` number, since 2 + 211 + 22 + 210 + 20 + 0 + 201 = 666.

It is not a de Polignac number, because 221122210200201 - 2³⁸ = 220847332293257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221122210200701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245936955 + ... + 1246114416.

Almost surely, 2^{221122210200201} is an apocalyptic number.

It is an amenable number.

221122210200201 is a deficient number, since it is larger than the sum of its proper divisors (98308934662759).

221122210200201 is a wasteful number, since it uses less digits than its factorization.

221122210200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492061236 (or 2492061233 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221122210200201 its reverse (102002012221122), we get a palindrome (323124222421323).

The spelling of 221122210200201 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred ten million, two hundred thousand, two hundred one".