102100121303 has 4 divisors (see below), whose sum is σ = 102403089360. Its totient is φ = 101797153248.

The previous prime is 102100121243. The next prime is 102100121323. The reversal of 102100121303 is 303121001201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303121001201 = 61 ⋅4969196741.

It is not a de Polignac number, because 102100121303 - 2²⁰ = 102099072727 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 (102100121323) 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, 151483523 + ... + 151484196.

It is an arithmetic number, because the mean of its divisors is an integer number (25600772340).

Almost surely, 2^102100121303 is an apocalyptic number.

102100121303 is a deficient number, since it is larger than the sum of its proper divisors (302968057).

102100121303 is an equidigital number, since it uses as much as digits as its factorization.

102100121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302968056.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102100121303 its reverse (303121001201), we get a palindrome (405221122504).

The spelling of 102100121303 in words is "one hundred two billion, one hundred million, one hundred twenty-one thousand, three hundred three".