121719485113 has 8 divisors (see below), whose sum is σ = 124355653632. Its totient is φ = 119085249696.

The previous prime is 121719485101. The next prime is 121719485131. The reversal of 121719485113 is 311584917121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121719485113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121719485113.

It is not an unprimeable number, because it can be changed into a prime (121719485413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355620 + ... + 608197.

It is an arithmetic number, because the mean of its divisors is an integer number (15544456704).

Almost surely, 2^121719485113 is an apocalyptic number.

It is an amenable number.

121719485113 is a deficient number, since it is larger than the sum of its proper divisors (2636168519).

121719485113 is an equidigital number, since it uses as much as digits as its factorization.

121719485113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966551.

The product of its digits is 60480, while the sum is 43.

The spelling of 121719485113 in words is "one hundred twenty-one billion, seven hundred nineteen million, four hundred eighty-five thousand, one hundred thirteen".