2103111011 has 8 divisors (see below), whose sum is σ = 2120676000. Its totient is φ = 2085592320.

The previous prime is 2103110941. The next prime is 2103111013. The reversal of 2103111011 is 1101113012.

It is a happy number.

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 2103111011 - 2²² = 2098916707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103110983 and 2103111001.

It is not an unprimeable number, because it can be changed into a prime (2103111013) 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, 82835 + ... + 105203.

It is an arithmetic number, because the mean of its divisors is an integer number (265084500).

Almost surely, 2^2103111011 is an apocalyptic number.

2103111011 is a deficient number, since it is larger than the sum of its proper divisors (17564989).

2103111011 is a wasteful number, since it uses less digits than its factorization.

2103111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23149.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 2103111011 is about 45859.6883002927. The cubic root of 2103111011 is about 1281.2112173992.

Adding to 2103111011 its reverse (1101113012), we get a palindrome (3204224023).

The spelling of 2103111011 in words is "two billion, one hundred three million, one hundred eleven thousand, eleven".