102232112121 has 10 divisors (see below), whose sum is σ = 152717105882. Its totient is φ = 68154741360.

The previous prime is 102232112093. The next prime is 102232112149. The reversal of 102232112121 is 121211232201.

It is an interprime number because it is at equal distance from previous prime (102232112093) and next prime (102232112149).

It can be written as a sum of positive squares in only one way, i.e., 101850339600 + 381772521 = 319140^2 + 19539^2 .

It is not a de Polignac number, because 102232112121 - 2⁶ = 102232112057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102232112094 and 102232112103.

It is not an unprimeable number, because it can be changed into a prime (102232110121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 631062340 + ... + 631062501.

Almost surely, 2^102232112121 is an apocalyptic number.

It is an amenable number.

102232112121 is a deficient number, since it is larger than the sum of its proper divisors (50484993761).

102232112121 is an equidigital number, since it uses as much as digits as its factorization.

102232112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262124853 (or 1262124844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102232112121 its reverse (121211232201), we get a palindrome (223443344322).

The spelling of 102232112121 in words is "one hundred two billion, two hundred thirty-two million, one hundred twelve thousand, one hundred twenty-one".