222102100200001 has 24 divisors (see below), whose sum is σ = 264625528770240. Its totient is φ = 185811361398432.

The previous prime is 222102100199999. The next prime is 222102100200031. The reversal of 222102100200001 is 100002001201222.

It is a happy number.

It is not a de Polignac number, because 222102100200001 - 2¹ = 222102100199999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222102100200031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309973245 + ... + 310688938.

It is an arithmetic number, because the mean of its divisors is an integer number (11026063698760).

Almost surely, 2^{222102100200001} is an apocalyptic number.

It is an amenable number.

222102100200001 is a deficient number, since it is larger than the sum of its proper divisors (42523428570239).

222102100200001 is a wasteful number, since it uses less digits than its factorization.

222102100200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620662373 (or 620662366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222102100200001 its reverse (100002001201222), we get a palindrome (322104101401223).

The spelling of 222102100200001 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred million, two hundred thousand, one".