100101210103 has 4 divisors (see below), whose sum is σ = 100102724680. Its totient is φ = 100099695528.

The previous prime is 100101210073. The next prime is 100101210163. The reversal of 100101210103 is 301012101001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100101210103 - 2⁹ = 100101209591 is a prime.

It is a super-4 number, since 4×100101210103⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100101210103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101210163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653400 + ... + 791917.

It is an arithmetic number, because the mean of its divisors is an integer number (25025681170).

Almost surely, 2^100101210103 is an apocalyptic number.

100101210103 is a deficient number, since it is larger than the sum of its proper divisors (1514577).

100101210103 is an equidigital number, since it uses as much as digits as its factorization.

100101210103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514576.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 100101210103 its reverse (301012101001), we get a palindrome (401113311104).

The spelling of 100101210103 in words is "one hundred billion, one hundred one million, two hundred ten thousand, one hundred three".