222201100221201 has 40 divisors (see below), whose sum is σ = 332094994668800. Its totient is φ = 148060464420960.

The previous prime is 222201100221193. The next prime is 222201100221223. The reversal of 222201100221201 is 102122001102222.

It is a happy number.

222201100221201 is a `hidden beast` number, since 22 + 220 + 1 + 1 + 0 + 0 + 221 + 201 = 666.

222201100221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222201100221201 - 2³ = 222201100221193 is a prime.

It is a super-2 number, since 2×222201100221201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222201100221901) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1821095286 + ... + 1821217296.

It is an arithmetic number, because the mean of its divisors is an integer number (8302374866720).

Almost surely, 2^{222201100221201} is an apocalyptic number.

It is an amenable number.

222201100221201 is a deficient number, since it is larger than the sum of its proper divisors (109893894447599).

222201100221201 is a wasteful number, since it uses less digits than its factorization.

222201100221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133011 (or 133002 counting only the distinct ones).

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

Adding to 222201100221201 its reverse (102122001102222), we get a palindrome (324323101323423).

The spelling of 222201100221201 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred million, two hundred twenty-one thousand, two hundred one".