2120101103 has 16 divisors (see below), whose sum is σ = 2229534720. Its totient is φ = 2014084800.

The previous prime is 2120101099. The next prime is 2120101133. The reversal of 2120101103 is 3011010212.

It is a cyclic number.

It is not a de Polignac number, because 2120101103 - 2² = 2120101099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120101133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254738 + ... + 262928.

It is an arithmetic number, because the mean of its divisors is an integer number (139345920).

Almost surely, 2^2120101103 is an apocalyptic number.

2120101103 is a deficient number, since it is larger than the sum of its proper divisors (109433617).

2120101103 is a wasteful number, since it uses less digits than its factorization.

2120101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8398.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2120101103 is about 46044.5556282173. Note that the first 3 decimals coincide. The cubic root of 2120101103 is about 1284.6520787895.

Adding to 2120101103 its reverse (3011010212), we get a palindrome (5131111315).

The spelling of 2120101103 in words is "two billion, one hundred twenty million, one hundred one thousand, one hundred three".