121151030320320 has 448 divisors, whose sum is σ = 516459221462016. Its totient is φ = 23237759877120.

The previous prime is 121151030320291. The next prime is 121151030320337. The reversal of 121151030320320 is 23023030151121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62075499 + ... + 63997418.

It is an arithmetic number, because the mean of its divisors is an integer number (1152810762192).

Almost surely, 2^{121151030320320} is an apocalyptic number.

121151030320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121151030320320 is an abundant number, since it is smaller than the sum of its proper divisors (395308191141696).

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

121151030320320 is a wasteful number, since it uses less digits than its factorization.

121151030320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126072968 (or 126072958 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 121151030320320 its reverse (23023030151121), we get a palindrome (144174060471441).

The spelling of 121151030320320 in words is "one hundred twenty-one trillion, one hundred fifty-one billion, thirty million, three hundred twenty thousand, three hundred twenty".