110012210020 has 24 divisors (see below), whose sum is σ = 232576155000. Its totient is φ = 43709548032.

The previous prime is 110012210003. The next prime is 110012210051. The reversal of 110012210020 is 20012210011.

It can be written as a sum of positive squares in 4 ways, for example, as 456505956 + 109555704064 = 21366^2 + 330992^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 110012209979 and 110012210006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18455445 + ... + 18461404.

It is an arithmetic number, because the mean of its divisors is an integer number (9690673125).

Almost surely, 2^110012210020 is an apocalyptic number.

110012210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110012210020 is an abundant number, since it is smaller than the sum of its proper divisors (122563944980).

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

110012210020 is a wasteful number, since it uses less digits than its factorization.

110012210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36917007 (or 36917005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 110012210020 its reverse (20012210011), we get a palindrome (130024420031).

Subtracting from 110012210020 its reverse (20012210011), we obtain a palindrome (90000000009).

The spelling of 110012210020 in words is "one hundred ten billion, twelve million, two hundred ten thousand, twenty".