110111002020 has 192 divisors, whose sum is σ = 344652537600. Its totient is φ = 29184814080.

The previous prime is 110111002007. The next prime is 110111002051. The reversal of 110111002020 is 20200111011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110111001993 and 110111002011.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100374112 + ... + 100375208.

It is an arithmetic number, because the mean of its divisors is an integer number (1795065300).

Almost surely, 2^110111002020 is an apocalyptic number.

110111002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110111002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172326268800).

110111002020 is an abundant number, since it is smaller than the sum of its proper divisors (234541535580).

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

110111002020 is a wasteful number, since it uses less digits than its factorization.

110111002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110111002020 its reverse (20200111011), we get a palindrome (130311113031).

The spelling of 110111002020 in words is "one hundred ten billion, one hundred eleven million, two thousand, twenty".