210101120103 has 16 divisors (see below), whose sum is σ = 320161153536. Its totient is φ = 120055133280.

The previous prime is 210101120093. The next prime is 210101120111. The reversal of 210101120103 is 301021101012.

It is not a de Polignac number, because 210101120103 - 2⁸ = 210101119847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101120503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258525 + ... + 1415657.

It is an arithmetic number, because the mean of its divisors is an integer number (20010072096).

Almost surely, 2^210101120103 is an apocalyptic number.

210101120103 is a deficient number, since it is larger than the sum of its proper divisors (110060033433).

210101120103 is a wasteful number, since it uses less digits than its factorization.

210101120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220814.

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

Adding to 210101120103 its reverse (301021101012), we get a palindrome (511122221115).

The spelling of 210101120103 in words is "two hundred ten billion, one hundred one million, one hundred twenty thousand, one hundred three".