121135325102442 has 24 divisors (see below), whose sum is σ = 299954138349216. Its totient is φ = 34610092886376.

The previous prime is 121135325102437. The next prime is 121135325102483. The reversal of 121135325102442 is 244201523531121.

121135325102442 is a `hidden beast` number, since 1 + 2 + 1 + 13 + 532 + 5 + 102 + 4 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121135325102397 and 121135325102406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480695734408 + ... + 480695734659.

It is an arithmetic number, because the mean of its divisors is an integer number (12498089097884).

Almost surely, 2^{121135325102442} is an apocalyptic number.

121135325102442 is an abundant number, since it is smaller than the sum of its proper divisors (178818813246774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121135325102442 is a wasteful number, since it uses less digits than its factorization.

121135325102442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961391469082 (or 961391469079 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 121135325102442 its reverse (244201523531121), we get a palindrome (365336848633563).

The spelling of 121135325102442 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-two".