221011002222201 has 12 divisors (see below), whose sum is σ = 319252443714880. Its totient is φ = 147334054581720.

The previous prime is 221011002222151. The next prime is 221011002222287. The reversal of 221011002222201 is 102222200110122.

It is a happy number.

221011002222201 is a `hidden beast` number, since 2 + 210 + 1 + 10 + 0 + 222 + 220 + 1 = 666.

It is not a de Polignac number, because 221011002222201 - 2⁶ = 221011002222137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221011002222701) 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, 550918885 + ... + 551319906.

Almost surely, 2^{221011002222201} is an apocalyptic number.

It is an amenable number.

221011002222201 is a deficient number, since it is larger than the sum of its proper divisors (98241441492679).

221011002222201 is a wasteful number, since it uses less digits than its factorization.

221011002222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102261076 (or 1102261073 counting only the distinct ones).

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

Adding to 221011002222201 its reverse (102222200110122), we get a palindrome (323233202332323).

The spelling of 221011002222201 in words is "two hundred twenty-one trillion, eleven billion, two million, two hundred twenty-two thousand, two hundred one".