222112220200001 has 8 divisors (see below), whose sum is σ = 222127387121640. Its totient is φ = 222097053771648.

The previous prime is 222112220199997. The next prime is 222112220200009. The reversal of 222112220200001 is 100002022211222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29454488985601 + 192657731214400 = 5427199^2 + 13880120^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222112220200001 - 2² = 222112220199997 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 (222112220200009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379352845 + ... + 1379513861.

It is an arithmetic number, because the mean of its divisors is an integer number (27765923390205).

Almost surely, 2^{222112220200001} is an apocalyptic number.

It is an amenable number.

222112220200001 is a deficient number, since it is larger than the sum of its proper divisors (15166921639).

222112220200001 is a wasteful number, since it uses less digits than its factorization.

222112220200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246643.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222112220200001 its reverse (100002022211222), we get a palindrome (322114242411223).

The spelling of 222112220200001 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty million, two hundred thousand, one".