2101101210103 has 16 divisors (see below), whose sum is σ = 2442132783360. Its totient is φ = 1770292575936.

The previous prime is 2101101210097. The next prime is 2101101210107. The reversal of 2101101210103 is 3010121011012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2101101210103 - 2¹³ = 2101101201911 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 (2101101210107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5828800 + ... + 6178762.

It is an arithmetic number, because the mean of its divisors is an integer number (152633298960).

Almost surely, 2^{2101101210103} is an apocalyptic number.

2101101210103 is a deficient number, since it is larger than the sum of its proper divisors (341031573257).

2101101210103 is a wasteful number, since it uses less digits than its factorization.

2101101210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364566.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2101101210103 its reverse (3010121011012), we get a palindrome (5111222221115).

The spelling of 2101101210103 in words is "two trillion, one hundred one billion, one hundred one million, two hundred ten thousand, one hundred three".