78110112122 has 8 divisors (see below), whose sum is σ = 133903049376. Its totient is φ = 33475762332.

The previous prime is 78110112121. The next prime is 78110112149. The reversal of 78110112122 is 22121101187.

It is a happy number.

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

It is a super-2 number, since 2×78110112122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78110112091 and 78110112100.

It is not an unprimeable number, because it can be changed into a prime (78110112121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789646848 + ... + 2789646875.

It is an arithmetic number, because the mean of its divisors is an integer number (16737881172).

Almost surely, 2^78110112122 is an apocalyptic number.

78110112122 is a deficient number, since it is larger than the sum of its proper divisors (55792937254).

78110112122 is a wasteful number, since it uses less digits than its factorization.

78110112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579293732.

The product of its (nonzero) digits is 448, while the sum is 26.

The spelling of 78110112122 in words is "seventy-eight billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-two".