121741701712066 has 32 divisors (see below), whose sum is σ = 201976511385600. Its totient is φ = 54740849619456.

The previous prime is 121741701712063. The next prime is 121741701712291. The reversal of 121741701712066 is 660217107147121.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (121741701712063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82340866 + ... + 83806333.

It is an arithmetic number, because the mean of its divisors is an integer number (6311765980800).

Almost surely, 2^{121741701712066} is an apocalyptic number.

121741701712066 is a deficient number, since it is larger than the sum of its proper divisors (80234809673534).

121741701712066 is a wasteful number, since it uses less digits than its factorization.

121741701712066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166148178.

The product of its (nonzero) digits is 197568, while the sum is 46.

Adding to 121741701712066 its reverse (660217107147121), we get a palindrome (781958808859187).

The spelling of 121741701712066 in words is "one hundred twenty-one trillion, seven hundred forty-one billion, seven hundred one million, seven hundred twelve thousand, sixty-six".