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10011220212200 = 23521753101550061
BaseRepresentation
bin1001000110101110101100…
…1110010111100111101000
31022110001201011001002102012
42101223223032113213220
52303010434333242300
633143031401055052
72052200240516234
oct221535316274750
938401634032365
1010011220212200
11320a8098aa569
1211582a9487488
1357809189603c
1426878d3635c4
15125634ed0435
hex91aeb3979e8

10011220212200 has 192 divisors, whose sum is σ = 25358936321520. Its totient is φ = 3661199360000.

The previous prime is 10011220212197. The next prime is 10011220212239. The reversal of 10011220212200 is 221202211001.

It can be written as a sum of positive squares in 24 ways, for example, as 3459473521156 + 6551746691044 = 1859966^2 + 2559638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17925170 + ... + 18475230.

Almost surely, 210011220212200 is an apocalyptic number.

10011220212200 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 10011220212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12679468160760).

10011220212200 is an abundant number, since it is smaller than the sum of its proper divisors (15347716109320).

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

10011220212200 is a wasteful number, since it uses less digits than its factorization.

10011220212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550248 (or 550239 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10011220212200 its reverse (221202211001), we get a palindrome (10232422423201).

The spelling of 10011220212200 in words is "ten trillion, eleven billion, two hundred twenty million, two hundred twelve thousand, two hundred".