2103021113 has 2 divisors, whose sum is σ = 2103021114. Its totient is φ = 2103021112.

The previous prime is 2103021073. The next prime is 2103021127. The reversal of 2103021113 is 3111203012.

It is an a-pointer prime, because the next prime (2103021127) can be obtained adding 2103021113 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1124395024 + 978626089 = 33532^2 + 31283^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103021113 - 2¹⁰ = 2103020089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103021413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051510556 + 1051510557.

It is an arithmetic number, because the mean of its divisors is an integer number (1051510557).

Almost surely, 2^2103021113 is an apocalyptic number.

It is an amenable number.

2103021113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103021113 is an equidigital number, since it uses as much as digits as its factorization.

2103021113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2103021113 is about 45858.7081479625. The cubic root of 2103021113 is about 1281.1929619090.

Adding to 2103021113 its reverse (3111203012), we get a palindrome (5214224125).

The spelling of 2103021113 in words is "two billion, one hundred three million, twenty-one thousand, one hundred thirteen".