2203101 has 24 divisors (see below), whose sum is σ = 3444480. Its totient is φ = 1352736.

The previous prime is 2203099. The next prime is 2203111. The reversal of 2203101 is 1013022.

It is a happy number.

It is not a de Polignac number, because 2203101 - 2¹ = 2203099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5820 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (143520).

2^2203101 is an apocalyptic number.

It is an amenable number.

2203101 is a deficient number, since it is larger than the sum of its proper divisors (1241379).

2203101 is a wasteful number, since it uses less digits than its factorization.

2203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2203101 is about 1484.2846761993. The cubic root of 2203101 is about 130.1202240881.

Adding to 2203101 its reverse (1013022), we get a palindrome (3216123).

It can be divided in two parts, 2203 and 101, that added together give a square (2304 = 48²).

The spelling of 2203101 in words is "two million, two hundred three thousand, one hundred one".