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11001210212201 = 1123387671121651
BaseRepresentation
bin1010000000010110101100…
…1110100000111101101001
31102221201001020212211100112
42200011223032200331221
52420220434303242301
635221515230344105
72213545146623636
oct240055316407551
942851036784315
1011001210212201
113561650400290
12129813705b035
1361a543082851
142a06661a318d
15141277a609bb
hexa016b3a0f69

11001210212201 has 16 divisors (see below), whose sum is σ = 12523450963968. Its totient is φ = 9566014458000.

The previous prime is 11001210212191. The next prime is 11001210212221. The reversal of 11001210212201 is 10221201210011.

It is not a de Polignac number, because 11001210212201 - 26 = 11001210212137 is a prime.

It is a super-2 number, since 2×110012102122012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001210212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9247226 + ... + 10368876.

It is an arithmetic number, because the mean of its divisors is an integer number (782715685248).

Almost surely, 211001210212201 is an apocalyptic number.

11001210212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001210212201 is a deficient number, since it is larger than the sum of its proper divisors (1522240751767).

11001210212201 is a wasteful number, since it uses less digits than its factorization.

11001210212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160452.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11001210212201 its reverse (10221201210011), we get a palindrome (21222411422212).

The spelling of 11001210212201 in words is "eleven trillion, one billion, two hundred ten million, two hundred twelve thousand, two hundred one".

Divisors: 1 11 23 253 38767 426437 891641 1121651 9808051 12338161 25797973 283777703 43483044317 478313487487 1000110019291 11001210212201