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11112100201 = 171922922153
BaseRepresentation
bin10100101100101010…
…10011000101101001
31001200102101011210201
422112111103011221
5140224144201301
65034350512201
7542240202406
oct122625230551
931612334721
1011112100201
114792544394
1221a1505661
131081216927
14775b312ad
15450834201
hex296553169

11112100201 has 36 divisors (see below), whose sum is σ = 12866526972. Its totient is φ = 9561904128.

The previous prime is 11112100171. The next prime is 11112100243. The reversal of 11112100201 is 10200121111.

It can be written as a sum of positive squares in 6 ways, for example, as 76387600 + 11035712601 = 8740^2 + 105051^2 .

It is not a de Polignac number, because 11112100201 - 215 = 11112067433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112100261) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5160141 + ... + 5162293.

It is an arithmetic number, because the mean of its divisors is an integer number (357403527).

Almost surely, 211112100201 is an apocalyptic number.

It is an amenable number.

11112100201 is a deficient number, since it is larger than the sum of its proper divisors (1754426771).

11112100201 is a wasteful number, since it uses less digits than its factorization.

11112100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11112100201 its reverse (10200121111), we get a palindrome (21312221312).

The spelling of 11112100201 in words is "eleven billion, one hundred twelve million, one hundred thousand, two hundred one".

Divisors: 1 17 19 29 323 361 493 551 841 2153 6137 9367 10469 14297 15979 36601 40907 62437 177973 271643 303601 695419 777233 1061429 1186303 1810673 5161217 13212961 20167151 22539757 30781441 34402787 383175869 584847379 653652953 11112100201