110122119978 has 64 divisors (see below), whose sum is σ = 245671574400. Its totient is φ = 32674440960.

The previous prime is 110122119973. The next prime is 110122119983. The reversal of 110122119978 is 879911221011.

It is an interprime number because it is at equal distance from previous prime (110122119973) and next prime (110122119983).

It is not an unprimeable number, because it can be changed into a prime (110122119973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1804468 + ... + 1864496.

It is an arithmetic number, because the mean of its divisors is an integer number (3838618350).

Almost surely, 2^110122119978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110122119978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122835787200).

110122119978 is an abundant number, since it is smaller than the sum of its proper divisors (135549454422).

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

110122119978 is a wasteful number, since it uses less digits than its factorization.

110122119978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60887.

The product of its (nonzero) digits is 18144, while the sum is 42.

The spelling of 110122119978 in words is "one hundred ten billion, one hundred twenty-two million, one hundred nineteen thousand, nine hundred seventy-eight".