222222110001 has 16 divisors (see below), whose sum is σ = 304800661824. Its totient is φ = 143908881984.

The previous prime is 222222109997. The next prime is 222222110009. The reversal of 222222110001 is 100011222222.

It is not a de Polignac number, because 222222110001 - 2² = 222222109997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222222110009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564911 + ... + 1700996.

It is an arithmetic number, because the mean of its divisors is an integer number (19050041364).

Almost surely, 2^222222110001 is an apocalyptic number.

It is an amenable number.

222222110001 is a deficient number, since it is larger than the sum of its proper divisors (82578551823).

222222110001 is a wasteful number, since it uses less digits than its factorization.

222222110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266560.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222222110001 its reverse (100011222222), we get a palindrome (322233332223).

The spelling of 222222110001 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, one".