121110400115 has 8 divisors (see below), whose sum is σ = 152981558160. Its totient is φ = 91788934752.

The previous prime is 121110400057. The next prime is 121110400139. The reversal of 121110400115 is 511004011121.

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

It is a cyclic number.

It is not a de Polignac number, because 121110400115 - 2⁶ = 121110400051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121110400093 and 121110400102.

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 7 ways as a sum of consecutive naturals, for example, 637423064 + ... + 637423253.

It is an arithmetic number, because the mean of its divisors is an integer number (19122694770).

Almost surely, 2^121110400115 is an apocalyptic number.

121110400115 is a deficient number, since it is larger than the sum of its proper divisors (31871158045).

121110400115 is a wasteful number, since it uses less digits than its factorization.

121110400115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274846341.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 121110400115 its reverse (511004011121), we get a palindrome (632114411236).

The spelling of 121110400115 in words is "one hundred twenty-one billion, one hundred ten million, four hundred thousand, one hundred fifteen".