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110112220021200 = 243521994057113657
BaseRepresentation
bin11001000010010101111111…
…110000101000000111010000
3112102212121212221022112001120
4121002111333300220013100
5103413034311311134300
61030104504444202240
732123226314124165
oct3102257760500720
9472777787275046
10110112220021200
11320a336a645071
121042459b839380
1349596cb6bc977
141d29661cd406c
15cae41167e3a0
hex64257fc281d0

110112220021200 has 240 divisors, whose sum is σ = 354589137283200. Its totient is φ = 29208246312960.

The previous prime is 110112220021163. The next prime is 110112220021201. The reversal of 110112220021200 is 2120022211011.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 110112220021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112220021201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 968754772 + ... + 968868428.

It is an arithmetic number, because the mean of its divisors is an integer number (1477454738680).

Almost surely, 2110112220021200 is an apocalyptic number.

110112220021200 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 110112220021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177294568641600).

110112220021200 is an abundant number, since it is smaller than the sum of its proper divisors (244476917262000).

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

110112220021200 is a wasteful number, since it uses less digits than its factorization.

110112220021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117934 (or 117923 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110112220021200 its reverse (2120022211011), we get a palindrome (112232242232211).

The spelling of 110112220021200 in words is "one hundred ten trillion, one hundred twelve billion, two hundred twenty million, twenty-one thousand, two hundred".