2100320111 has 2 divisors, whose sum is σ = 2100320112. Its totient is φ = 2100320110.

The previous prime is 2100320051. The next prime is 2100320119. The reversal of 2100320111 is 1110230012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100320111 - 2²² = 2096125807 is a prime.

It is a super-2 number, since 2×2100320111² = 8822689137342104642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100320092 and 2100320101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100320119) 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 as a sum of consecutive naturals, namely, 1050160055 + 1050160056.

It is an arithmetic number, because the mean of its divisors is an integer number (1050160056).

Almost surely, 2^2100320111 is an apocalyptic number.

2100320111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100320111 is an equidigital number, since it uses as much as digits as its factorization.

2100320111 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2100320111 is about 45829.2495138203. The cubic root of 2100320111 is about 1280.6442295351.

Adding to 2100320111 its reverse (1110230012), we get a palindrome (3210550123).

Subtracting from 2100320111 its reverse (1110230012), we obtain a palindrome (990090099).

It can be divided in two parts, 21003 and 20111, that added together give a palindrome (41114).

The spelling of 2100320111 in words is "two billion, one hundred million, three hundred twenty thousand, one hundred eleven".