110120201020 has 24 divisors (see below), whose sum is σ = 233542054368. Its totient is φ = 43611960000.

The previous prime is 110120200987. The next prime is 110120201053. The reversal of 110120201020 is 20102021011.

It is an interprime number because it is at equal distance from previous prime (110120200987) and next prime (110120201053).

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 = 110120200988 and 110120201006.

It is a congruent number.

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, 27255456 + ... + 27259495.

It is an arithmetic number, because the mean of its divisors is an integer number (9730918932).

Almost surely, 2^110120201020 is an apocalyptic number.

110120201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110120201020 is an abundant number, since it is smaller than the sum of its proper divisors (123421853348).

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

110120201020 is a wasteful number, since it uses less digits than its factorization.

110120201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54515061 (or 54515059 counting only the distinct ones).

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

Adding to 110120201020 its reverse (20102021011), we get a palindrome (130222222031).

The spelling of 110120201020 in words is "one hundred ten billion, one hundred twenty million, two hundred one thousand, twenty".