1222201100201 has 8 divisors (see below), whose sum is σ = 1245905814600. Its totient is φ = 1198520249472.

The previous prime is 1222201100191. The next prime is 1222201100227. The reversal of 1222201100201 is 1020011022221.

It can be written as a sum of positive squares in 4 ways, for example, as 90745537600 + 1131455562601 = 301240^2 + 1063699^2 .

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 1222201100201 - 2¹⁰ = 1222201099177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222201100231) 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, 5862476 + ... + 6067373.

It is an arithmetic number, because the mean of its divisors is an integer number (155738226825).

Almost surely, 2^{1222201100201} is an apocalyptic number.

It is an amenable number.

1222201100201 is a deficient number, since it is larger than the sum of its proper divisors (23704714399).

1222201100201 is a wasteful number, since it uses less digits than its factorization.

1222201100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11931835.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222201100201 its reverse (1020011022221), we get a palindrome (2242212122422).

The spelling of 1222201100201 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one hundred thousand, two hundred one".