10100121103 has 4 divisors (see below), whose sum is σ = 10119964680. Its totient is φ = 10080277528.

The previous prime is 10100121011. The next prime is 10100121121. The reversal of 10100121103 is 30112100101.

10100121103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10100121103 is a prime.

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 10100121103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100121133) 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, 9921025 + ... + 9922042.

It is an arithmetic number, because the mean of its divisors is an integer number (2529991170).

Almost surely, 2^10100121103 is an apocalyptic number.

10100121103 is a deficient number, since it is larger than the sum of its proper divisors (19843577).

10100121103 is an equidigital number, since it uses as much as digits as its factorization.

10100121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19843576.

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

Adding to 10100121103 its reverse (30112100101), we get a palindrome (40212221204).

The spelling of 10100121103 in words is "ten billion, one hundred million, one hundred twenty-one thousand, one hundred three".