2101344401 has 16 divisors (see below), whose sum is σ = 2290762320. Its totient is φ = 1916006400.

The previous prime is 2101344391. The next prime is 2101344403. The reversal of 2101344401 is 1044431012.

It can be written as a sum of positive squares in 8 ways, for example, as 339443776 + 1761900625 = 18424^2 + 41975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101344401 - 2⁶ = 2101344337 is a prime.

It is a super-2 number, since 2×2101344401² = 8831296583228097602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101344403) 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, 498101 + ... + 502301.

It is an arithmetic number, because the mean of its divisors is an integer number (143172645).

Almost surely, 2^2101344401 is an apocalyptic number.

It is an amenable number.

2101344401 is a deficient number, since it is larger than the sum of its proper divisors (189417919).

2101344401 is a wasteful number, since it uses less digits than its factorization.

2101344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2101344401 is about 45840.4232201231. The cubic root of 2101344401 is about 1280.8523784246.

Adding to 2101344401 its reverse (1044431012), we get a palindrome (3145775413).

The spelling of 2101344401 in words is "two billion, one hundred one million, three hundred forty-four thousand, four hundred one".