102121110203 has 8 divisors (see below), whose sum is σ = 117034940160. Its totient is φ = 87288555240.

The previous prime is 102121110151. The next prime is 102121110251. The reversal of 102121110203 is 302011121201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102121110203 - 2¹⁸ = 102120848059 is a prime.

It is a super-2 number, since 2×102121110203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121110293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20316053 + ... + 20321078.

It is an arithmetic number, because the mean of its divisors is an integer number (14629367520).

Almost surely, 2^102121110203 is an apocalyptic number.

102121110203 is a deficient number, since it is larger than the sum of its proper divisors (14913829957).

102121110203 is an equidigital number, since it uses as much as digits as its factorization.

102121110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40637497.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102121110203 its reverse (302011121201), we get a palindrome (404132231404).

The spelling of 102121110203 in words is "one hundred two billion, one hundred twenty-one million, one hundred ten thousand, two hundred three".