2102021310103 has 24 divisors (see below), whose sum is σ = 2634581620944. Its totient is φ = 1660173123840.

The previous prime is 2102021310097. The next prime is 2102021310107. The reversal of 2102021310103 is 3010131202012.

It is not a de Polignac number, because 2102021310103 - 2¹³ = 2102021301911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102021310107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39276601 + ... + 39330082.

It is an arithmetic number, because the mean of its divisors is an integer number (109774234206).

Almost surely, 2^{2102021310103} is an apocalyptic number.

2102021310103 is a deficient number, since it is larger than the sum of its proper divisors (532560310841).

2102021310103 is a wasteful number, since it uses less digits than its factorization.

2102021310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78606735 (or 78606724 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2102021310103 its reverse (3010131202012), we get a palindrome (5112152512115).

The spelling of 2102021310103 in words is "two trillion, one hundred two billion, twenty-one million, three hundred ten thousand, one hundred three".