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11212102201210 = 251901589800221
BaseRepresentation
bin1010001100101000010101…
…0111100110111101111010
31110200212101200100212212021
42203022011113212331322
52432144341130414320
635502434005505054
72235022226144641
oct243120527467572
943625350325767
1011212102201210
113633031436a99
121310b9241218a
136343b1b0c421
142aa950a7a358
151469bc33adaa
hexa32855e6f7a

11212102201210 has 16 divisors (see below), whose sum is σ = 20192400400392. Its totient is φ = 4482481672000.

The previous prime is 11212102201199. The next prime is 11212102201219. The reversal of 11212102201210 is 1210220121211.

It can be written as a sum of positive squares in 4 ways, for example, as 4319833853241 + 6892268347969 = 2078421^2 + 2625313^2 .

It is a super-2 number, since 2×112121022012102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212102201219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294881101 + ... + 294919120.

Almost surely, 211212102201210 is an apocalyptic number.

11212102201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212102201210 is a deficient number, since it is larger than the sum of its proper divisors (8980298199182).

11212102201210 is a wasteful number, since it uses less digits than its factorization.

11212102201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589802129.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212102201210 its reverse (1210220121211), we get a palindrome (12422322322421).

The spelling of 11212102201210 in words is "eleven trillion, two hundred twelve billion, one hundred two million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 1901 3802 9505 19010 589800221 1179600442 2949001105 5898002210 1121210220121 2242420440242 5606051100605 11212102201210