102110121103 has 4 divisors (see below), whose sum is σ = 102129491088. Its totient is φ = 102090751120.

The previous prime is 102110121101. The next prime is 102110121161. The reversal of 102110121103 is 301121011201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301121011201 = 20347 ⋅14799283.

It is a cyclic number.

It is not a de Polignac number, because 102110121103 - 2¹ = 102110121101 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 (102110121101) 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, 9677083 + ... + 9687628.

It is an arithmetic number, because the mean of its divisors is an integer number (25532372772).

Almost surely, 2^102110121103 is an apocalyptic number.

102110121103 is a deficient number, since it is larger than the sum of its proper divisors (19369985).

102110121103 is an equidigital number, since it uses as much as digits as its factorization.

102110121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19369984.

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

Adding to 102110121103 its reverse (301121011201), we get a palindrome (403231132304).

The spelling of 102110121103 in words is "one hundred two billion, one hundred ten million, one hundred twenty-one thousand, one hundred three".