201001222012201 has 8 divisors (see below), whose sum is σ = 217714084849800. Its totient is φ = 184467106371072.

The previous prime is 201001222012163. The next prime is 201001222012249. The reversal of 201001222012201 is 102210222100102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37644065746576 + 163357156265625 = 6135476^2 + 12781125^2 .

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 201001222012201 - 2³³ = 200992632077609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001222012291) 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, 44686796776 + ... + 44686801273.

It is an arithmetic number, because the mean of its divisors is an integer number (27214260606225).

Almost surely, 2^{201001222012201} is an apocalyptic number.

It is an amenable number.

201001222012201 is a deficient number, since it is larger than the sum of its proper divisors (16712862837599).

201001222012201 is a wasteful number, since it uses less digits than its factorization.

201001222012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89373598235.

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

Adding to 201001222012201 its reverse (102210222100102), we get a palindrome (303211444112303).

The spelling of 201001222012201 in words is "two hundred one trillion, one billion, two hundred twenty-two million, twelve thousand, two hundred one".