2202100001 has 4 divisors (see below), whose sum is σ = 2202202500. Its totient is φ = 2201997504.

The previous prime is 2202099997. The next prime is 2202100013. The reversal of 2202100001 is 1000012022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1000012022 = 2 ⋅500006011.

It can be written as a sum of positive squares in 2 ways, for example, as 1211109601 + 990990400 = 34801^2 + 31480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202100001 - 2² = 2202099997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202100091) 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, 5276 + ... + 66573.

It is an arithmetic number, because the mean of its divisors is an integer number (550550625).

Almost surely, 2^2202100001 is an apocalyptic number.

It is an amenable number.

2202100001 is a deficient number, since it is larger than the sum of its proper divisors (102499).

2202100001 is an equidigital number, since it uses as much as digits as its factorization.

2202100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102498.

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

The square root of 2202100001 is about 46926.5383445231. The cubic root of 2202100001 is about 1301.0051399979.

Adding to 2202100001 its reverse (1000012022), we get a palindrome (3202112023).

The spelling of 2202100001 in words is "two billion, two hundred two million, one hundred thousand, one".