110101020978 has 64 divisors (see below), whose sum is σ = 245240819712. Its totient is φ = 32724095040.

The previous prime is 110101020977. The next prime is 110101020983. The reversal of 110101020978 is 879020101011.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110101020977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281025 + ... + 1364267.

It is an arithmetic number, because the mean of its divisors is an integer number (3831887808).

Almost surely, 2^110101020978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110101020978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122620409856).

110101020978 is an abundant number, since it is smaller than the sum of its proper divisors (135139798734).

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

110101020978 is a wasteful number, since it uses less digits than its factorization.

110101020978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83839.

The product of its (nonzero) digits is 1008, while the sum is 30.

Adding to 110101020978 its reverse (879020101011), we get a palindrome (989121121989).

The spelling of 110101020978 in words is "one hundred ten billion, one hundred one million, twenty thousand, nine hundred seventy-eight".