222011100002 has 8 divisors (see below), whose sum is σ = 333019187676. Its totient is φ = 111004704112.

The previous prime is 222011100001. The next prime is 222011100013. The reversal of 222011100002 is 200001110222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189173673481 + 32837426521 = 434941^2 + 181211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222011100001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16913 + ... + 666564.

Almost surely, 2^222011100002 is an apocalyptic number.

222011100002 is a deficient number, since it is larger than the sum of its proper divisors (111008087674).

222011100002 is a wasteful number, since it uses less digits than its factorization.

222011100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845892.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222011100002 its reverse (200001110222), we get a palindrome (422012210224).

The spelling of 222011100002 in words is "two hundred twenty-two billion, eleven million, one hundred thousand, two".