121154418336 has 96 divisors (see below), whose sum is σ = 363557472768. Its totient is φ = 34606575360.

The previous prime is 121154418299. The next prime is 121154418379. The reversal of 121154418336 is 633814451121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 121154418294 and 121154418303.

It is an unprimeable number.

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, 2830051 + ... + 2872541.

It is an arithmetic number, because the mean of its divisors is an integer number (3787057008).

Almost surely, 2^121154418336 is an apocalyptic number.

121154418336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121154418336 is an abundant number, since it is smaller than the sum of its proper divisors (242403054432).

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

121154418336 is a wasteful number, since it uses less digits than its factorization.

121154418336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46754 (or 46746 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

Adding to 121154418336 its reverse (633814451121), we get a palindrome (754968869457).

The spelling of 121154418336 in words is "one hundred twenty-one billion, one hundred fifty-four million, four hundred eighteen thousand, three hundred thirty-six".