2981101 has 8 divisors (see below), whose sum is σ = 3060344. Its totient is φ = 2903040.

The previous prime is 2981089. The next prime is 2981123. The reversal of 2981101 is 1011892.

It can be written as a sum of positive squares in 4 ways, for example, as 5476 + 2975625 = 74^2 + 1725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2981101 - 2⁷ = 2980973 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6871 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (382543).

2^2981101 is an apocalyptic number.

It is an amenable number.

2981101 is a deficient number, since it is larger than the sum of its proper divisors (79243).

2981101 is an equidigital number, since it uses as much as digits as its factorization.

2981101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 2981101 is about 1726.5865168013. The cubic root of 2981101 is about 143.9214624461.

Adding to 2981101 its reverse (1011892), we get a palindrome (3992993).

The spelling of 2981101 in words is "two million, nine hundred eighty-one thousand, one hundred one".