2101311033103 has 16 divisors (see below), whose sum is σ = 2250328819680. Its totient is φ = 1955124864000.

The previous prime is 2101311033091. The next prime is 2101311033119. The reversal of 2101311033103 is 3013301131012.

It is a cyclic number.

It is not a de Polignac number, because 2101311033103 - 2⁹ = 2101311032591 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 (2101311033193) 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, 8319628 + ... + 8568478.

It is an arithmetic number, because the mean of its divisors is an integer number (140645551230).

Almost surely, 2^{2101311033103} is an apocalyptic number.

2101311033103 is a deficient number, since it is larger than the sum of its proper divisors (149017786577).

2101311033103 is a wasteful number, since it uses less digits than its factorization.

2101311033103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254538.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 2101311033103 its reverse (3013301131012), we get a palindrome (5114612164115).

The spelling of 2101311033103 in words is "two trillion, one hundred one billion, three hundred eleven million, thirty-three thousand, one hundred three".