2101103311 has 4 divisors (see below), whose sum is σ = 2109821824. Its totient is φ = 2092384800.

The previous prime is 2101103299. The next prime is 2101103359. The reversal of 2101103311 is 1133011012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101103311 - 2²¹ = 2099006159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101103291 and 2101103300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101103111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358895 + ... + 4359376.

It is an arithmetic number, because the mean of its divisors is an integer number (527455456).

Almost surely, 2^2101103311 is an apocalyptic number.

2101103311 is a deficient number, since it is larger than the sum of its proper divisors (8718513).

2101103311 is an equidigital number, since it uses as much as digits as its factorization.

2101103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718512.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2101103311 is about 45837.7934787442. The cubic root of 2101103311 is about 1280.8033919265.

Adding to 2101103311 its reverse (1133011012), we get a palindrome (3234114323).

The spelling of 2101103311 in words is "two billion, one hundred one million, one hundred three thousand, three hundred eleven".