121079689941 has 16 divisors (see below), whose sum is σ = 185031056000. Its totient is φ = 68990142528.

The previous prime is 121079689931. The next prime is 121079689957. The reversal of 121079689941 is 149986970121.

It is not a de Polignac number, because 121079689941 - 2¹⁴ = 121079673557 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121079689931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8252986 + ... + 8267643.

It is an arithmetic number, because the mean of its divisors is an integer number (11564441000).

Almost surely, 2^121079689941 is an apocalyptic number.

It is an amenable number.

121079689941 is a deficient number, since it is larger than the sum of its proper divisors (63951366059).

121079689941 is a wasteful number, since it uses less digits than its factorization.

121079689941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520988.

The product of its (nonzero) digits is 1959552, while the sum is 57.

The spelling of 121079689941 in words is "one hundred twenty-one billion, seventy-nine million, six hundred eighty-nine thousand, nine hundred forty-one".