2120011103 has 4 divisors (see below), whose sum is σ = 2422869840. Its totient is φ = 1817152368.

The previous prime is 2120011097. The next prime is 2120011111. The reversal of 2120011103 is 3011100212.

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 2120011103 - 2¹⁶ = 2119945567 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 (2120011123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151429358 + ... + 151429371.

It is an arithmetic number, because the mean of its divisors is an integer number (605717460).

Almost surely, 2^2120011103 is an apocalyptic number.

2120011103 is a deficient number, since it is larger than the sum of its proper divisors (302858737).

2120011103 is an equidigital number, since it uses as much as digits as its factorization.

2120011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302858736.

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

The square root of 2120011103 is about 46043.5783036028. The cubic root of 2120011103 is about 1284.6339003603.

Adding to 2120011103 its reverse (3011100212), we get a palindrome (5131111315).

The spelling of 2120011103 in words is "two billion, one hundred twenty million, eleven thousand, one hundred three".