110111001020 has 12 divisors (see below), whose sum is σ = 231233102184. Its totient is φ = 44044400400.

The previous prime is 110111000971. The next prime is 110111001029. The reversal of 110111001020 is 20100111011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 110111000989 and 110111001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111001029) 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, 2752775006 + ... + 2752775045.

It is an arithmetic number, because the mean of its divisors is an integer number (19269425182).

Almost surely, 2^110111001020 is an apocalyptic number.

110111001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110111001020 is an abundant number, since it is smaller than the sum of its proper divisors (121122101164).

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

110111001020 is a wasteful number, since it uses less digits than its factorization.

110111001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505550060 (or 5505550058 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 110111001020 its reverse (20100111011), we get a palindrome (130211112031).

The spelling of 110111001020 in words is "one hundred ten billion, one hundred eleven million, one thousand, twenty".