121160100432 has 80 divisors (see below), whose sum is σ = 359273056640. Its totient is φ = 34465982976.

The previous prime is 121160100389. The next prime is 121160100449. The reversal of 121160100432 is 234001061121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 121160100399 and 121160100408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710383 + ... + 864270.

It is an arithmetic number, because the mean of its divisors is an integer number (4490913208).

Almost surely, 2^121160100432 is an apocalyptic number.

121160100432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121160100432 is an abundant number, since it is smaller than the sum of its proper divisors (238112956208).

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

121160100432 is a wasteful number, since it uses less digits than its factorization.

121160100432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574900 (or 1574894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121160100432 its reverse (234001061121), we get a palindrome (355161161553).

The spelling of 121160100432 in words is "one hundred twenty-one billion, one hundred sixty million, one hundred thousand, four hundred thirty-two".