121331032060056 has 128 divisors (see below), whose sum is σ = 373330255979520. Its totient is φ = 31999049915904.

The previous prime is 121331032059949. The next prime is 121331032060057. The reversal of 121331032060056 is 650060230133121.

It is a junction number, because it is equal to n+sod(n) for n = 121331032059999 and 121331032060026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331032060057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252520861 + ... + 253000883.

It is an arithmetic number, because the mean of its divisors is an integer number (2916642624840).

Almost surely, 2^{121331032060056} is an apocalyptic number.

It is an amenable number.

121331032060056 is an abundant number, since it is smaller than the sum of its proper divisors (251999223919464).

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

121331032060056 is a wasteful number, since it uses less digits than its factorization.

121331032060056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595785 (or 595781 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 121331032060056 its reverse (650060230133121), we get a palindrome (771391262193177).

The spelling of 121331032060056 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, thirty-two million, sixty thousand, fifty-six".