2103311121101 has 2 divisors, whose sum is σ = 2103311121102. Its totient is φ = 2103311121100.

The previous prime is 2103311121083. The next prime is 2103311121151. The reversal of 2103311121101 is 1011211133012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1754326740100 + 348984381001 = 1324510^2 + 590749^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103311121101 - 2¹⁰ = 2103311120077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103311121101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103311121151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051655560550 + 1051655560551.

It is an arithmetic number, because the mean of its divisors is an integer number (1051655560551).

Almost surely, 2^{2103311121101} is an apocalyptic number.

It is an amenable number.

2103311121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103311121101 is an equidigital number, since it uses as much as digits as its factorization.

2103311121101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 2103311121101 its reverse (1011211133012), we get a palindrome (3114522254113).

The spelling of 2103311121101 in words is "two trillion, one hundred three billion, three hundred eleven million, one hundred twenty-one thousand, one hundred one".