2201120101 has 4 divisors (see below), whose sum is σ = 2330597772. Its totient is φ = 2071642432.

The previous prime is 2201120093. The next prime is 2201120111. The reversal of 2201120101 is 1010211022.

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 2058890625 + 142229476 = 45375^2 + 11926^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201120101 - 2³ = 2201120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201120111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64738810 + ... + 64738843.

It is an arithmetic number, because the mean of its divisors is an integer number (582649443).

Almost surely, 2^2201120101 is an apocalyptic number.

It is an amenable number.

2201120101 is a deficient number, since it is larger than the sum of its proper divisors (129477671).

2201120101 is a wasteful number, since it uses less digits than its factorization.

2201120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129477670.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2201120101 is about 46916.0963955869. The cubic root of 2201120101 is about 1300.8121357323.

Adding to 2201120101 its reverse (1010211022), we get a palindrome (3211331123).

The spelling of 2201120101 in words is "two billion, two hundred one million, one hundred twenty thousand, one hundred one".