102121441121 has 8 divisors (see below), whose sum is σ = 117321268224. Its totient is φ = 87074376480.

The previous prime is 102121441049. The next prime is 102121441127. The reversal of 102121441121 is 121144121201.

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

It is a de Polignac number, because none of the positive numbers 2^k-102121441121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102121441093 and 102121441102.

It is not an unprimeable number, because it can be changed into a prime (102121441127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38189180 + ... + 38191853.

It is an arithmetic number, because the mean of its divisors is an integer number (14665158528).

Almost surely, 2^102121441121 is an apocalyptic number.

It is an amenable number.

102121441121 is a deficient number, since it is larger than the sum of its proper divisors (15199827103).

102121441121 is an equidigital number, since it uses as much as digits as its factorization.

102121441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76381231.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102121441121 its reverse (121144121201), we get a palindrome (223265562322).

The spelling of 102121441121 in words is "one hundred two billion, one hundred twenty-one million, four hundred forty-one thousand, one hundred twenty-one".