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11201210221110 = 235713241157110837
BaseRepresentation
bin1010001011111111110000…
…1010000000001000110110
31110122211021121011222001220
42202333330022000020312
52432010034304033420
635453433120531210
72234155300635630
oct242777412001066
943584247158056
1011201210221110
113629452178148
12130aa52780b06
136333673a5aa0
142aa1da287a50
15146580ed7840
hexa2ffc280236

11201210221110 has 256 divisors, whose sum is σ = 33248156755968. Its totient is φ = 2351810764800.

The previous prime is 11201210221109. The next prime is 11201210221133. The reversal of 11201210221110 is 1112201210211.

It is a happy number.

It is a super-2 number, since 2×112012102211102 (a number of 27 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11201210221110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1033602612 + ... + 1033613448.

It is an arithmetic number, because the mean of its divisors is an integer number (129875612328).

Almost surely, 211201210221110 is an apocalyptic number.

11201210221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201210221110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16624078377984).

11201210221110 is an abundant number, since it is smaller than the sum of its proper divisors (22046946534858).

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

11201210221110 is a wasteful number, since it uses less digits than its factorization.

11201210221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12679.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11201210221110 its reverse (1112201210211), we get a palindrome (12313411431321).

The spelling of 11201210221110 in words is "eleven trillion, two hundred one billion, two hundred ten million, two hundred twenty-one thousand, one hundred ten".