2101120313103 has 48 divisors (see below), whose sum is σ = 3652517356800. Its totient is φ = 1136997544320.

The previous prime is 2101120313101. The next prime is 2101120313119. The reversal of 2101120313103 is 3013130211012.

2101120313103 is a `hidden beast` number, since 210 + 112 + 0 + 31 + 310 + 3 = 666.

It is not a de Polignac number, because 2101120313103 - 2¹ = 2101120313101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101120313101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2682843 + ... + 3376371.

It is an arithmetic number, because the mean of its divisors is an integer number (76094111600).

Almost surely, 2^{2101120313103} is an apocalyptic number.

2101120313103 is a deficient number, since it is larger than the sum of its proper divisors (1551397043697).

2101120313103 is a wasteful number, since it uses less digits than its factorization.

2101120313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696092 (or 696089 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2101120313103 its reverse (3013130211012), we get a palindrome (5114250524115).

The spelling of 2101120313103 in words is "two trillion, one hundred one billion, one hundred twenty million, three hundred thirteen thousand, one hundred three".