222222201201 has 48 divisors (see below), whose sum is σ = 430976407680. Its totient is φ = 106560092160.

The previous prime is 222222201191. The next prime is 222222201293. The reversal of 222222201201 is 102102222222.

222222201201 is a `hidden beast` number, since 22 + 222 + 220 + 1 + 201 = 666.

It is not a de Polignac number, because 222222201201 - 2⁷ = 222222201073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222222201101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12324336 + ... + 12342353.

It is an arithmetic number, because the mean of its divisors is an integer number (8978675160).

Almost surely, 2^222222201201 is an apocalyptic number.

222222201201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222222201201 is a deficient number, since it is larger than the sum of its proper divisors (208754206479).

222222201201 is a wasteful number, since it uses less digits than its factorization.

222222201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24666726 (or 24666723 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222222201201 its reverse (102102222222), we get a palindrome (324324423423).

The spelling of 222222201201 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, two hundred one".