121019394848968 has 192 divisors, whose sum is σ = 285945948288000. Its totient is φ = 47001735285120.

The previous prime is 121019394848951. The next prime is 121019394848969. The reversal of 121019394848968 is 869848493910121.

It is a super-2 number, since 2×121019394848968² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121019394848968.

It is not an unprimeable number, because it can be changed into a prime (121019394848969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2764050805 + ... + 2764094587.

It is an arithmetic number, because the mean of its divisors is an integer number (1489301814000).

Almost surely, 2^{121019394848968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121019394848968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142972974144000).

121019394848968 is an abundant number, since it is smaller than the sum of its proper divisors (164926553439032).

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

121019394848968 is a wasteful number, since it uses less digits than its factorization.

121019394848968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45096 (or 45081 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 73.

The spelling of 121019394848968 in words is "one hundred twenty-one trillion, nineteen billion, three hundred ninety-four million, eight hundred forty-eight thousand, nine hundred sixty-eight".