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110203111020 = 223537227379577
BaseRepresentation
bin110011010100010011…
…1100000011001101100
3101112110020121002022110
41212220213200121230
53301143444023040
6122343203044020
710650635662602
oct1465047403154
9345406532273
10110203111020
1142811868462
1219436970610
13a513603242
145496175872
152ceed68980
hex19a89e066c

110203111020 has 192 divisors, whose sum is σ = 319697441280. Its totient is φ = 28342960128.

The previous prime is 110203111013. The next prime is 110203111087. The reversal of 110203111020 is 20111302011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 110203110987 and 110203111005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190992972 + ... + 190993548.

It is an arithmetic number, because the mean of its divisors is an integer number (1665090840).

Almost surely, 2110203111020 is an apocalyptic number.

110203111020 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 110203111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159848720640).

110203111020 is an abundant number, since it is smaller than the sum of its proper divisors (209494330260).

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

110203111020 is a wasteful number, since it uses less digits than its factorization.

110203111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 110203111020 its reverse (20111302011), we get a palindrome (130314413031).

The spelling of 110203111020 in words is "one hundred ten billion, two hundred three million, one hundred eleven thousand, twenty".