2201002220201 has 4 divisors (see below), whose sum is σ = 2201013206532. Its totient is φ = 2200991233872.

The previous prime is 2201002220141. The next prime is 2201002220257. The reversal of 2201002220201 is 1020222001022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 760342144576 + 1440660075625 = 871976^2 + 1200275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201002220201 - 2³⁴ = 2183822351017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2201002220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5186966 + ... + 5595231.

It is an arithmetic number, because the mean of its divisors is an integer number (550253301633).

Almost surely, 2^{2201002220201} is an apocalyptic number.

It is an amenable number.

2201002220201 is a deficient number, since it is larger than the sum of its proper divisors (10986331).

2201002220201 is a wasteful number, since it uses less digits than its factorization.

2201002220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986330.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2201002220201 its reverse (1020222001022), we get a palindrome (3221224221223).

The spelling of 2201002220201 in words is "two trillion, two hundred one billion, two million, two hundred twenty thousand, two hundred one".