2201001220201 has 12 divisors (see below), whose sum is σ = 2569086765252. Its totient is φ = 1880133648288.

The previous prime is 2201001220199. The next prime is 2201001220207. The reversal of 2201001220201 is 1020221001022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2141085930025 + 59915290176 = 1463245^2 + 244776^2 .

It is not a de Polignac number, because 2201001220201 - 2¹ = 2201001220199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201001220207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76638190 + ... + 76666903.

It is an arithmetic number, because the mean of its divisors is an integer number (214090563771).

Almost surely, 2^{2201001220201} is an apocalyptic number.

It is an amenable number.

2201001220201 is a deficient number, since it is larger than the sum of its proper divisors (368085545051).

2201001220201 is a wasteful number, since it uses less digits than its factorization.

2201001220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153305400 (or 153305393 counting only the distinct ones).

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

Adding to 2201001220201 its reverse (1020221001022), we get a palindrome (3221222221223).

The spelling of 2201001220201 in words is "two trillion, two hundred one billion, one million, two hundred twenty thousand, two hundred one".