102100032121 has 16 divisors (see below), whose sum is σ = 105301206720. Its totient is φ = 98949150720.

The previous prime is 102100032077. The next prime is 102100032163. The reversal of 102100032121 is 121230001201.

It is a cyclic number.

It is not a de Polignac number, because 102100032121 - 2⁹ = 102100031609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100032191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12964441 + ... + 12972313.

It is an arithmetic number, because the mean of its divisors is an integer number (6581325420).

Almost surely, 2^102100032121 is an apocalyptic number.

It is an amenable number.

102100032121 is a deficient number, since it is larger than the sum of its proper divisors (3201174599).

102100032121 is an equidigital number, since it uses as much as digits as its factorization.

102100032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102100032121 its reverse (121230001201), we get a palindrome (223330033322).

The spelling of 102100032121 in words is "one hundred two billion, one hundred million, thirty-two thousand, one hundred twenty-one".