2100355 has 8 divisors (see below), whose sum is σ = 2653200. Its totient is φ = 1591776.

The previous prime is 2100353. The next prime is 2100377. The reversal of 2100355 is 5530012.

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 2100355 - 2¹ = 2100353 is a prime.

It is a super-2 number, since 2×2100355² = 8822982252050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100353) 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, 10960 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (331650).

2^2100355 is an apocalyptic number.

2100355 is a deficient number, since it is larger than the sum of its proper divisors (552845).

2100355 is a wasteful number, since it uses less digits than its factorization.

2100355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22133.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2100355 is about 1449.2601560796. The cubic root of 2100355 is about 128.0651320541.

Adding to 2100355 its reverse (5530012), we get a palindrome (7630367).

The spelling of 2100355 in words is "two million, one hundred thousand, three hundred fifty-five".