2201101001 has 16 divisors (see below), whose sum is σ = 2427673920. Its totient is φ = 1979052480.

The previous prime is 2201100977. The next prime is 2201101043. The reversal of 2201101001 is 1001011022.

It is a cyclic number.

It is not a de Polignac number, because 2201101001 - 2²² = 2196906697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201101001.

It is not an unprimeable number, because it can be changed into a prime (2201101051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420935 + ... + 426131.

It is an arithmetic number, because the mean of its divisors is an integer number (151729620).

Almost surely, 2^2201101001 is an apocalyptic number.

It is an amenable number.

2201101001 is a deficient number, since it is larger than the sum of its proper divisors (226572919).

2201101001 is a wasteful number, since it uses less digits than its factorization.

2201101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2201101001 is about 46915.8928402732. The cubic root of 2201101001 is about 1300.8083731656.

Adding to 2201101001 its reverse (1001011022), we get a palindrome (3202112023).

The spelling of 2201101001 in words is "two billion, two hundred one million, one hundred one thousand, one".