121000068170 has 16 divisors (see below), whose sum is σ = 217863006048. Its totient is φ = 48386053200.

The previous prime is 121000068169. The next prime is 121000068187. The reversal of 121000068170 is 71860000121.

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, 1710356 + ... + 1779695.

It is an arithmetic number, because the mean of its divisors is an integer number (13616437878).

Almost surely, 2^121000068170 is an apocalyptic number.

121000068170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000068170 is a deficient number, since it is larger than the sum of its proper divisors (96862937878).

121000068170 is a wasteful number, since it uses less digits than its factorization.

121000068170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493525.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 121000068170 its reverse (71860000121), we get a palindrome (192860068291).

The spelling of 121000068170 in words is "one hundred twenty-one billion, sixty-eight thousand, one hundred seventy".