222001210120201 has 16 divisors (see below), whose sum is σ = 236773616123520. Its totient is φ = 207419479107840.

The previous prime is 222001210120199. The next prime is 222001210120211. The reversal of 222001210120201 is 102021012100222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222001210120201 - 2¹ = 222001210120199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001210120211) 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, 20524431 + ... + 29415211.

It is an arithmetic number, because the mean of its divisors is an integer number (14798351007720).

Almost surely, 2^{222001210120201} is an apocalyptic number.

It is an amenable number.

222001210120201 is a deficient number, since it is larger than the sum of its proper divisors (14772406003319).

222001210120201 is a wasteful number, since it uses less digits than its factorization.

222001210120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901504.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222001210120201 its reverse (102021012100222), we get a palindrome (324022222220423).

The spelling of 222001210120201 in words is "two hundred twenty-two trillion, one billion, two hundred ten million, one hundred twenty thousand, two hundred one".