121110441225 has 12 divisors (see below), whose sum is σ = 200235929616. Its totient is φ = 64592235280.

The previous prime is 121110441223. The next prime is 121110441233. The reversal of 121110441225 is 522144011121.

It is not a de Polignac number, because 121110441225 - 2¹ = 121110441223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121110441195 and 121110441204.

It is not an unprimeable number, because it can be changed into a prime (121110441223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 807402867 + ... + 807403016.

It is an arithmetic number, because the mean of its divisors is an integer number (16686327468).

Almost surely, 2^121110441225 is an apocalyptic number.

121110441225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121110441225 is a deficient number, since it is larger than the sum of its proper divisors (79125488391).

121110441225 is a wasteful number, since it uses less digits than its factorization.

121110441225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614805896 (or 1614805891 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 121110441225 its reverse (522144011121), we get a palindrome (643254452346).

The spelling of 121110441225 in words is "one hundred twenty-one billion, one hundred ten million, four hundred forty-one thousand, two hundred twenty-five".