121135325102444 has 24 divisors (see below), whose sum is σ = 212201273237520. Its totient is φ = 60506401892544.

The previous prime is 121135325102437. The next prime is 121135325102483. The reversal of 121135325102444 is 444201523531121.

It is a junction number, because it is equal to n+sod(n) for n = 121135325102398 and 121135325102407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39019007 + ... + 42008969.

It is an arithmetic number, because the mean of its divisors is an integer number (8841719718230).

Almost surely, 2^{121135325102444} is an apocalyptic number.

It is an amenable number.

121135325102444 is a deficient number, since it is larger than the sum of its proper divisors (91065948135076).

121135325102444 is a wasteful number, since it uses less digits than its factorization.

121135325102444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000209 (or 3000207 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 121135325102444 its reverse (444201523531121), we get a palindrome (565336848633565).

The spelling of 121135325102444 in words is "one hundred twenty-one trillion, one hundred thirty-five billion, three hundred twenty-five million, one hundred two thousand, four hundred forty-four".